Germany · City guides
Cologne
Cologne is a city on the Rhine river in North Rhine-Westphalia. It is the fourth largest city in Germany with around 1.1 million residents (2025). It is one of the nation's media, tourism and business hotspots, and is considered one of the most liberal cities in Germany.
Quick facts
- Currency
Currency
Euro (EUR)- Language
- German
Language
German - Time zones
UTC+1
UTC+1 (UTC+2 in summer)- Power plugs
- Type C/F
Power plugs
Type C, F · 230 V - Getting around
Drive on the right
Drive on the right
- Visa (US citizens)
Check entry requirements for U.S. citizens before you go
Entry requirements on travel.state.gov
Rhine River, Germany · Population: 1M · Calling code: +49
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Sources: Wikivoyage · Wikidata · U.S. State Department · CDC Travelers' Health. Experiences from Viator, hotels from Nuitee. Facts refresh weekly.