Also known as...
Augusta Ubiorum,
Cöln,
Cologne,
Colonia,
Colonia Agrippina,
Colonia Agrippinensis,
Colonia Claudia Agrippina,
Culonia,
Kelnas,
Ķelne,
Keulen,
Koeln,
Kolín nad Rýnem,
Kolín nad Rýnom,
Kölle,
Köln,
Kolonia,
Kolonjo,
Lungsod ng Cologne,
Κολωνία,
Келн,
Кёльн,
Кьолн,
קלן,
كولونيا,
کلن,
โคโลญ,
ケルン,
科隆,
쾰른