Stadt on the Rhein

• Rhein port
• City south of Dusseldorf
• Flourished during the 15th century as a member of the Hanseatic League
• City on der Rhein
• Cologne, on Heine's map
• Largest city in Nordrhein-Westfalen
• Largest city am Rhein
• Severinsbrücke's city
• Fourth-largest city in Deutschland

Wikipedia Word definitions in Wikipedia
Several naval ships of Germany were named Cöln or Köln after the city of Cologne , Germany : (1911-1914), a (1918-1919), a (1930-1945), a (1961-1982), a F120 (1984-), a F122