Districts of Cologne within city limits), while 174,87 km² (43.2 percent) lie right of the Rhine. In regard to population, Cologne is the largest city in the state of North Rhine-Westphalia and the fourth largest city in Germany. Since the city's foundation in 38 BC, Cologne grew through numerous extensions and incorporation of surrounding municipalities. Since the construction of the Medieval wall in 1180, the area of the old imperial city of Cologne has not changed for more than 600 years and was only extended over the old city walls in 1794, just short before the arrival of French troops and Cologne's incorporation
Cologne I and Neustadt-Nord. The latter area includes about half of Cologne's old and new town areas. The following table does not list parties which did not contest or gain constituency votes. Cologne I Cologne I () is one of the four electoral districts (German: "Wahlkreis") covering the city of Cologne in the German Bundestag. Part of the state of North Rhine-Westphalia, the constituency elects one representative under the mixed member proportional representation (MMP) system. Under the current constituency numbering system, it is designated as constituency 94. Covering the south eastern quarter of the city of Cologne, the constituency contains the entirety