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About Cologne
Cologne (German: Köln, Ripuarian: Kölle) 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.
Cologne has a rich history, reaching back to the time of the ancient Roman Empire, when it was founded. It has remained a constantly inhabited important regional centre since.
Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-07-21. Some links earn Stayonomy a commission at no cost to you.