Keulen

Cologne Köln
From top to bottom, left to right: Hohenzollern Bridge by night, Great St. Martin Church, Colonius TV-tower, Cologne Cathedral, Kranhaus buildings in Rheinauhafen, MediaPark
Flag Coat of arms
Cologne
Cologne within North Rhine-Westphalia
Coordinates: 50°56′11″N 6°57′10″E / 50.93639°N 6.95278°E / 50.93639; 6.95278Coordinates: 50°56′11″N 6°57′10″E / 50.93639°N 6.95278°E / 50.93639; 6.95278
Country	Germany
State	North Rhine-Westphalia
Admin. region	Cologne
District	Urban districts of Germany
Founded	38 BC
Government
• Lord Mayor	Henriette Reker
Area
• City	405.15 km2 (156.43 sq mi)
Elevation	37 m (121 ft)
Population (2015-12-31)
• City	1,060,582
• Density	2,600/km2 (6,800/sq mi)
• Metro	3,573,500
Time zone	CET/CEST (UTC+1/+2)
Postal codes	50441–51149
Dialling codes	0221, 02203 (Porz)
Vehicle registration	K
Website	www.stadt-koeln.de

Significant foreign born populations
Nationality	Population (2015)
Turkey	57,131
Italy	18,245
Poland	9,606
Serbia	7,851
Greece	5,699
Bulgaria	5,486
Russia	4,655
Iraq	4,164
Iran	3,826
Romania	3,592
Bosnia & Herzegovina	3,567
Spain	3,533
USA	1,768

Cologne (English pronunciation: /kəˈloʊn/; German: Köln, pronounced [kœln], Colognian: Kölle [ˈkœɫə]) is the largest city in the German federal State of North Rhine-Westphalia and the fourth-largest city in Germany (after Berlin, Hamburg, and Munich). It is located within the Rhine-Ruhr metropolitan region, one of the major European metropolitan areas, and with more than ten million inhabitants, the largest in Germany.

Cologne is located on both sides of the Rhine River, less than eighty kilometres from Belgium. The city's famous Cologne Cathedral (Kölner Dom) is the seat of the Catholic Archbishop of Cologne. The University of Cologne (Universität zu Köln) is one of Europe's oldest and largest universities.