• Login or Create Account
  • Currency

    QAR

Select CheckIn Date

-

Select CheckOut Date

Select a valid date

June  26
Su
Mo
Tu
We
Th
Fr
Sa
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
July  26
Su
Mo
Tu
We
Th
Fr
Sa
28
29
30
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1

You are booking hotel for more than 90 days

SIMILAR PROPERTIES

Maritim Hotel Köln

01234
Maritim Hotel Köln
hotel image
hotel image

About Property

Centrally located in Cologne, this hotel provides excellent panoramic views of the River Rhine. The Maritim Köln offers elegant ...Read more

Amenities

Classic

Fits 2 Adults

  • Free WiFi
    Free WiFi
  • Free fitness center access
    Free fitness center access
  • Cancellation Icon
    Non-Refundable

Per Night:

QAR 431
+ QAR 52 taxes & fees
4.3
Excellent(1125 RATINGS)
Innenstadt

Innenstadt

10 minutes walk to Chocolate Museum

Change Dates and Guest(s)

Check-in: 3 PM | Check-out: 12 PM

Check-in date
Check-out date
Rooms, Guests

7 Room Types

  • Free Cancellation
  • Breakfast Included

Classic

  • 258 sq.ft (24 sq.mt)258 sq.ft (24 sq.mt)
  • Bedroom 1 - 2 single beds or 1 double bedBedroom 1 - 2 single beds or 1 double bed
  • Heater
  • Air Conditioning
  • Interconnected Room
  • Bathroom
  • Telephone
  • Charging Points

More Details

Room Only
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Non-Refundable

    Non-Refundable

More Details

QAR 431

+QAR 52 taxes & fees Per Night

Login Now and get this for QAR427 or less

Room With Free Cancellation
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Free Cancellation before ‪27 Jul 11:59 PM‬
    Free Cancellation before ‪27 Jul 11:59 PM‬

    Cancellation Policy

    • Free Cancellation till 27 Jul, 11:59 PM

    • No refund if cancelled after 28 Jul, 12:00 AM

    100% Refund
    Non Refundable
    NOW
    27 Jul11:59 PM
    29 Jul10:59 AM
    Check-in

More Details

QAR 522

QAR 454

+QAR 55 taxes & fees Per Night

Login Now and get this for QAR450 or less

Room with Breakfast
  • Breakfast
    Breakfast  
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Non-Refundable

    Non-Refundable

More Details

QAR 580

+QAR 70 taxes & fees Per Night

Login Now and get this for QAR575 or less

Room With Free Cancellation | Breakfast only
  • Breakfast
    Breakfast  
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Free Cancellation before ‪27 Jul 11:59 PM‬
    Free Cancellation before ‪27 Jul 11:59 PM‬

    Cancellation Policy

    • Free Cancellation till 27 Jul, 11:59 PM

    • No refund if cancelled after 28 Jul, 12:00 AM

    100% Refund
    Non Refundable
    NOW
    27 Jul11:59 PM
    29 Jul10:59 AM
    Check-in

More Details

QAR 675

QAR 587

+QAR 71 taxes & fees Per Night

Login Now and get this for QAR582 or less

room Img

Queen Room

More Details

Room Only
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Non-Refundable

    Non-Refundable

More Details

QAR 470

+QAR 57 taxes & fees Per Night

Login Now and get this for QAR466 or less

Room With Free Cancellation
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Free Cancellation before ‪27 Jul 11:59 PM‬
    Free Cancellation before ‪27 Jul 11:59 PM‬

    Cancellation Policy

    • Free Cancellation till 27 Jul, 11:59 PM

    • No refund if cancelled after 28 Jul, 12:00 AM

    100% Refund
    Non Refundable
    NOW
    27 Jul11:59 PM
    29 Jul10:59 AM
    Check-in

More Details

QAR 496

+QAR 60 taxes & fees Per Night

Login Now and get this for QAR492 or less

Room with Breakfast
  • Breakfast
    Breakfast  
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Non-Refundable

    Non-Refundable

More Details

QAR 619

+QAR 75 taxes & fees Per Night

Login Now and get this for QAR613 or less

Room With Free Cancellation | Breakfast only
  • Breakfast
    Breakfast  
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Free Cancellation before ‪27 Jul 11:59 PM‬
    Free Cancellation before ‪27 Jul 11:59 PM‬

    Cancellation Policy

    • Free Cancellation till 27 Jul, 11:59 PM

    • No refund if cancelled after 28 Jul, 12:00 AM

    100% Refund
    Non Refundable
    NOW
    27 Jul11:59 PM
    29 Jul10:59 AM
    Check-in

More Details

QAR 629

+QAR 76 taxes & fees Per Night

Login Now and get this for QAR623 or less

Comfort

  • 258 sq.ft (24 sq.mt)258 sq.ft (24 sq.mt)
  • Bedroom 1 - 2 single beds or 1 double bedBedroom 1 - 2 single beds or 1 double bed
  • Heater
  • Air Conditioning
  • Bathroom
  • Telephone
  • Charging Points
  • Hypoallergenic Bedding

More Details

Room Only
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Non-Refundable

    Non-Refundable

More Details

QAR 471

+QAR 57 taxes & fees Per Night

Login Now and get this for QAR467 or less

Room With Free Cancellation
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Free Cancellation before ‪27 Jul 11:59 PM‬
    Free Cancellation before ‪27 Jul 11:59 PM‬

    Cancellation Policy

    • Free Cancellation till 27 Jul, 11:59 PM

    • No refund if cancelled after 28 Jul, 12:00 AM

    100% Refund
    Non Refundable
    NOW
    27 Jul11:59 PM
    29 Jul10:59 AM
    Check-in

More Details

QAR 569

QAR 503

+QAR 61 taxes & fees Per Night

Login Now and get this for QAR498 or less

Room with Breakfast
  • Breakfast
    Breakfast  
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Non-Refundable

    Non-Refundable

More Details

QAR 620

+QAR 74 taxes & fees Per Night

Login Now and get this for QAR614 or less

Room With Free Cancellation | Breakfast only
  • Breakfast
    Breakfast  
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Free Cancellation before ‪27 Jul 11:59 PM‬
    Free Cancellation before ‪27 Jul 11:59 PM‬

    Cancellation Policy

    • Free Cancellation till 27 Jul, 11:59 PM

    • No refund if cancelled after 28 Jul, 12:00 AM

    100% Refund
    Non Refundable
    NOW
    27 Jul11:59 PM
    29 Jul10:59 AM
    Check-in

More Details

QAR 704

QAR 636

+QAR 78 taxes & fees Per Night

Login Now and get this for QAR630 or less

Classic Family Room

Max  3 Guests

  • 258 sq.ft (24 sq.mt)258 sq.ft (24 sq.mt)
  • Bedroom 1 - 2 Twin bed(s) and 1 Sofa bed or 1 King bed(s) and 1 Sofa bedBedroom 1 - 2 Twin bed(s) and 1 Sofa bed or 1 King bed(s) and 1 Sofa bed
  • Bathrooms - 1Bathrooms - 1
  • Heater
  • Air Conditioning
  • Housekeeping
  • Bathroom
  • Telephone
  • Charging Points

More Details

Room Only
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Non-Refundable

    Non-Refundable

More Details

QAR 508

+QAR 61 taxes & fees Per Night

Login Now and get this for QAR503 or less

Room With Free Cancellation
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Free Cancellation before ‪27 Jul 11:59 PM‬
    Free Cancellation before ‪27 Jul 11:59 PM‬

    Cancellation Policy

    • Free Cancellation till 27 Jul, 11:59 PM

    • No refund if cancelled after 28 Jul, 12:00 AM

    100% Refund
    Non Refundable
    NOW
    27 Jul11:59 PM
    29 Jul10:59 AM
    Check-in

More Details

QAR 621

QAR 535

+QAR 64 taxes & fees Per Night

Login Now and get this for QAR530 or less

Room with Breakfast
  • Breakfast
    Breakfast  
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Non-Refundable

    Non-Refundable

More Details

QAR 657

+QAR 79 taxes & fees Per Night

Login Now and get this for QAR651 or less

Room With Free Cancellation | Breakfast only
  • Breakfast
    Breakfast  
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Free Cancellation before ‪27 Jul 11:59 PM‬
    Free Cancellation before ‪27 Jul 11:59 PM‬

    Cancellation Policy

    • Free Cancellation till 27 Jul, 11:59 PM

    • No refund if cancelled after 28 Jul, 12:00 AM

    100% Refund
    Non Refundable
    NOW
    27 Jul11:59 PM
    29 Jul10:59 AM
    Check-in

More Details

QAR 745

QAR 668

+QAR 81 taxes & fees Per Night

Login Now and get this for QAR662 or less

Superior

  • 258 sq.ft (24 sq.mt)258 sq.ft (24 sq.mt)
  • Bedroom 1 - 2 single beds or 1 double bedBedroom 1 - 2 single beds or 1 double bed
  • Heater
  • Air Conditioning
  • Interconnected Room
  • Bathroom
  • Telephone
  • Charging Points

More Details

Room Only
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Non-Refundable

    Non-Refundable

More Details

QAR 570

+QAR 69 taxes & fees Per Night

Login Now and get this for QAR565 or less

Room With Free Cancellation
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Free Cancellation before ‪27 Jul 11:59 PM‬
    Free Cancellation before ‪27 Jul 11:59 PM‬

    Cancellation Policy

    • Free Cancellation till 27 Jul, 11:59 PM

    • No refund if cancelled after 28 Jul, 12:00 AM

    100% Refund
    Non Refundable
    NOW
    27 Jul11:59 PM
    29 Jul10:59 AM
    Check-in

More Details

QAR 693

QAR 601

+QAR 73 taxes & fees Per Night

Login Now and get this for QAR595 or less

Room with Breakfast
  • Breakfast
    Breakfast  
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Non-Refundable

    Non-Refundable

More Details

QAR 720

+QAR 86 taxes & fees Per Night

Login Now and get this for QAR713 or less

Comfort Family Room

  • 258 sq.ft (24 sq.mt)258 sq.ft (24 sq.mt)
  • Bedroom 1 - 1 double bed and 1 single bedBedroom 1 - 1 double bed and 1 single bed
  • Heater
  • Air Conditioning
  • Housekeeping
  • Bathroom
  • Telephone
  • Charging Points

More Details

Room Only
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Non-Refundable

    Non-Refundable

More Details

QAR 617

+QAR 74 taxes & fees Per Night

Login Now and get this for QAR611 or less

Room With Free Cancellation
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Free Cancellation before ‪27 Jul 11:59 PM‬
    Free Cancellation before ‪27 Jul 11:59 PM‬

    Cancellation Policy

    • Free Cancellation till 27 Jul, 11:59 PM

    • No refund if cancelled after 28 Jul, 12:00 AM

    100% Refund
    Non Refundable
    NOW
    27 Jul11:59 PM
    29 Jul10:59 AM
    Check-in

More Details

QAR 755

QAR 651

+QAR 79 taxes & fees Per Night

Login Now and get this for QAR645 or less

Family Suite

  • 484 sq.ft (45 sq.mt)484 sq.ft (45 sq.mt)
  • Bedroom 1 - 1 double bed and 2 single bedsBedroom 1 - 1 double bed and 2 single beds
  • Heater
  • Air Conditioning
  • Housekeeping
  • Bathroom
  • Telephone
  • Charging Points

More Details

Room Only
  • Free WiFi
    Free WiFi  
  • Free fitness center access
    Free fitness center access  
  • Non-Refundable

    Non-Refundable

More Details

QAR 765

+QAR 92 taxes & fees Per Night

Login Now and get this for QAR758 or less

Maritim Hotel Köln Location

AddressHeumarkt 20

10 minutes walk to Chocolate Museum

NEARBY LANDMARKS

    Cologne City Hall

    5 min walk

    Old Street along Rhine

    6 min walk

    Chocolate Museum

    10 min walk

    Cologne Cathedral

    990 m walk

    Hohenzollernbrücke

    1.5 km

    Koeln Triangle

    1.6 km

    Kolnisches Stadtmuseum

    1.9 km

    Bf Deutz / Messe

    2.4 km

    Cologne Zoo

    3.3 km

    Important information

    Extra charges to be paid directly at the hotel in local currency

    Mandatory Charges
    • Applicable for Classic

      City Tax

      City Tax collected by the Cologne municipality Know more

      QAR 29

      Total for all guests for 1 night(s)

    • Please check detailed rules while reviewing your booking

    • Languages Spoken by Staff

      English, German and French

    Similar Properties

    hotelImg

    Maritim Hotel Köln

    01234

    QAR 429

    + QAR 52 taxes & fees

    Per Night

    Select stay

    4.3Excellent

    Hotel

    10 minutes walk to Chocolate Museum

    Free Cancellation

    Free Breakfast Available at Higher Price

    hotelImg

    Essential by Dorint Köln-Junkersdorf

    01234

    QAR 317

    + QAR 39 taxes & fees

    Per Night

    View Details

    3.9Very Good

    Hotel

    7.7 km from Maritim Hotel Köln

    Free Cancellation

    hotelImg

    Adina Apartment Hotel Cologne

    01234

    QAR 487

    + QAR 58 taxes & fees

    Per Night

    View Details

    4.3Excellent

    Apart-hotel

    1.3 km from Maritim Hotel Köln

    Free Cancellation

    Free Breakfast Available at Higher Price

    hotelImg

    Altstadthotel Hayk am Rhein

    01234

    QAR 386

    + QAR 48 taxes & fees

    Per Night

    View Details

    3.6Very Good

    Hotel

    230 m from Maritim Hotel Köln

    Free Cancellation

    hotelImg

    B&B Hotel Köln-Ehrenfeld

    01234

    QAR 300

    + QAR 32 taxes & fees

    Per Night

    View Details

    3.8Very Good

    Hotel

    4.8 km from Maritim Hotel Köln

    Free Cancellation

    Free Breakfast Available at Higher Price

    Hotels in Cologne of Same Star Category

    Lindenthal

    Innenstadt

    Maternushaus

    0 1 2 3 0 1 2 3 4

    QAR 479

    Per Night

    Innenstadt

    URBAN LOFT Cologne

    0 1 2 3 0 1 2 3 4

    QAR 377

    Per Night

    Innenstadt

    Hopper Hotel St. Josef

    0 1 2 3 0 1 2 3 4

    QAR 312

    Per Night

    Innenstadt

    1st Floor Köln 2

    0 1 2 3 0 1 2 3 4

    QAR 501

    Per Night

    Cologne

    PULLMAN COLOGNE

    0 1 2 3 0 1 2 3 4

    QAR 379

    Per Night

    Innenstadt

    Innenstadt

    Hotel Viktoria

    0 1 2 3 0 1 2 3 4

    QAR 562

    Per Night

    Innenstadt

    Innenstadt

    Premium Hotels in Cologne

    Innenstadt

    Hyatt Regency Cologne

    0 1 2 3 4 0 1 2 3 4

    QAR 699

    Per Night

    Innenstadt

    Hotel Allegro

    0 1 2 3 0 1 2 3 4

    QAR 666

    Per Night

    Innenstadt

    1st Floor Köln 2

    0 1 2 3 0 1 2 3 4

    QAR 501

    Per Night

    Cologne

    Innenstadt

    Hotels near Popular Attractions in Cologne

    Show More

    Properties in Cologne

    Four Star Hotels in Cologne

    Küppersteg

    Clostermanns Hof

    0 1 2 3 0 1 2 3 4

    QAR 468

    Per Night

    Uckendorf

    PLAZA Premium Köln

    0 1 2 3 0 1 2 3 4

    QAR 473

    Per Night

    Mülheim

    PhiLeRo Hotel Köln

    0 1 2 3 0 1 2 3 4

    QAR 472

    Per Night

    Kalk

    Rhein-Erft-Kreis

    Hotel Santo

    0 1 2 3 0 1 2 3 4

    QAR 442

    Per Night

    Innenstadt

    Innenstadt

    Hotel Allegro

    0 1 2 3 0 1 2 3 4

    QAR 666

    Per Night

    Innenstadt

    Maternushaus

    0 1 2 3 0 1 2 3 4

    QAR 479

    Per Night

    Innenstadt

    Legend Hotel

    0 1 2 3 0 1 2 3 4

    QAR 610

    Per Night

    Innenstadt

    Four Star Hotels in Cologne

    Innenstadt

    District 9

    Hotel Spiegel

    0 1 2 3 0 1 2 3 4

    QAR 474

    Per Night

    Porz

    Innenstadt

    Hotel Imperial

    0 1 2 3 0 1 2 3 4

    QAR 538

    Per Night

    Ehrenfeld

    Hotel Stadtpalais

    0 1 2 3 0 1 2 3 4

    QAR 787

    Per Night

    Innenstadt

    Hotel Boskamp

    0 1 2 3 0 1 2 3 4

    QAR 764

    Per Night

    Refrath

    Four Star Hotels in Cologne

    rugs HOTEL Köln

    0 1 2 3 0 1 2 3 4

    QAR 470

    Per Night

    Rodenkirchen

    Rhein-Erft-Kreis

    1st Floor Köln 2

    0 1 2 3 0 1 2 3 4

    QAR 501

    Per Night

    Cologne

    Media-apartment

    0 1 2 3 0 1 2 3 4

    QAR 1,107

    Per Night

    Ehrenfeld

    Klima Hotel Europarc

    0 1 2 3 0 1 2 3 4

    QAR 455

    Per Night

    Rhein-Erft-Kreis

    Küppersteg

    Hotel Medo Köln

    0 1 2 3 0 1 2 3 4

    QAR 388

    Per Night

    Mülheim

    Porz

    Zimmer for you

    0 1 2 3 0 1 2 3 4

    QAR 345

    Per Night

    Rheinisch-Bergischer Kreis

    Clostermanns Hof

    0 1 2 3 0 1 2 3 4

    QAR 468

    Per Night

    Uckendorf

    Five Star Hotels in Cologne

    Hilton Cologne

    0 1 2 3 4 0 1 2 3 4

    QAR 546

    Per Night

    Innenstadt

    Hyatt Regency Cologne

    0 1 2 3 4 0 1 2 3 4

    QAR 699

    Per Night

    Innenstadt

    Innenstadt

    Bensberg

    Innenstadt

    Hotels By Star Category in Cologne

    Hotels Near By Maritim Hotel Koln

    a&o Köln Dom

    0 -1 0 1 2 3 4

    QAR 545

    Per Night

    Innenstadt

    Innenstadt

    PULLMAN COLOGNE

    0 1 2 3 0 1 2 3 4

    QAR 379

    Per Night

    Innenstadt

    Hotel Garni Emir

    0 -1 0 1 2 3 4

    QAR 218

    Per Night

    Innenstadt

    Innenstadt

    Innenstadt

    Mülheim

    Innenstadt

    Innenstadt

    Premier Inn K

    0 1 2 0 1 2 3 4

    QAR 266

    Per Night

    Innenstadt

    Hotel Sion

    0 1 2 0 1 2 3 4

    QAR 572

    Per Night

    Innenstadt

    Hotel Domblick Garni

    0 1 2 0 1 2 3 4

    QAR 410

    Per Night

    Innenstadt

    The Midtown Hotel

    0 1 2 3 0 1 2 3 4

    QAR 616

    Per Night

    Innenstadt

    Hotel Viktoria

    0 1 2 3 0 1 2 3 4

    QAR 562

    Per Night

    Innenstadt

    Hotel Glockengasse

    0 1 2 0 1 2 3 4

    QAR 365

    Per Night

    Innenstadt

    The Ascot Hotel Köln

    0 1 2 3 0 1 2 3 4

    QAR 290

    Per Night

    Innenstadt

    Innenstadt

    art'otel Cologne

    0 1 2 3 0 1 2 3 4

    QAR 241

    Per Night

    Innenstadt

    Innenstadt

    Astor & Aparthotel

    0 1 2 3 0 1 2 3 4

    QAR 371

    Per Night

    Innenstadt

    Cara Vita Hotel

    0 1 2 0 1 2 3 4

    QAR 316

    Per Night

    Innenstadt

    NH Koln Altstadt

    0 1 2 3 0 1 2 3 4

    QAR 305

    Per Night

    Innenstadt

    Ehrenfeld

    Chelsea Hotel

    0 -1 0 1 2 3 4

    QAR 417

    Per Night

    Innenstadt

    Classic Hotel Harmonie

    0 1 2 3 0 1 2 3 4

    QAR 406

    Per Night

    Innenstadt

    Hotel Allegro

    0 1 2 3 0 1 2 3 4

    QAR 666

    Per Night

    Innenstadt

    Innenstadt

    Novotel Köln City

    0 1 2 3 0 1 2 3 4

    QAR 390

    Per Night

    Innenstadt

    A&O Koln Dom

    0 -1 0 1 2 3 4

    QAR 442

    Per Night

    Innenstadt

    Innenstadt

    Savoy Hotel

    0 1 2 3 0 1 2 3 4

    QAR 820

    Per Night

    Innenstadt

    House Cologne

    0 1 2 0 1 2 3 4

    QAR 641

    Per Night

    Innenstadt

    Innenstadt

    Innenstadt

    Innception Hotel

    0 1 2 0 1 2 3 4

    QAR 291

    Per Night

    Innenstadt

    Design Sleepy Cologne

    0 1 2 0 1 2 3 4

    QAR 355

    Per Night

    Innenstadt

    City Apartment am Dom

    0 -1 0 1 2 3 4

    QAR 913

    Per Night

    Innenstadt

    Innenstadt

    Innenstadt

    Boutique Hotel Cologne

    0 -1 0 1 2 3 4

    QAR 379

    Per Night

    Innenstadt

    Innenstadt

    Odessa1

    0 -1 0 1 2 3 4

    QAR 777

    Per Night

    Innenstadt

    Innenstadt

    THE QVEST hideaway

    0 1 2 3 0 1 2 3 4

    QAR 741

    Per Night

    Innenstadt

    Hotel Lyskirchen Köln

    0 1 2 3 0 1 2 3 4

    QAR 420

    Per Night

    Innenstadt

    Best Hotels in Cities Nearby Cologne

    B-Chill Düsseldorf

    0 1 2 3 0 1 2 3 4

    QAR 460

    Per Night

    District 3

    Hotel Villa Achenbach

    0 1 2 3 0 1 2 3 4

    QAR 496

    Per Night

    District 2

    Living Hotel Kanzler

    0 1 2 3 0 1 2 3 4

    QAR 415

    Per Night

    Sudstadt

    Stadtbezirk 1

    Dorint Venusberg Bonn

    0 1 2 3 0 1 2 3 4

    QAR 418

    Per Night

    Venusberg

    District 3

    Königswinter

    More info About Maritim Hotel Koln