Innenstadt, Cologne of Cologne Stadtbahn tram and U-Bahn stations. The Cologne Ring (Kölner Ringe) is a city boulevard, encircling the old town of Cologne. It is part of Bundesstraße 55 and picks up several principal arterial roads, which lead into adjacent city districts. Innenstadt, Cologne Innenstadt () is the central city district ("Stadtbezirk") of the City of Cologne in Germany. The district was established with the last communal land reform in 1975, and comprises Cologne's historic old town (Altstadt), the Gründerzeit era new town (Neustadt) plus the right-Rhenish district of Deutz. Innenstadt has about 127,000 inhabitants (as of December 2008) and covers
Electorate of Cologne confused with the Roman Catholic Archdiocese of Cologne, which was larger and included suffragant bishoprics such as Liège and Münster over which the Elector-Archbishop exercised only spiritual authority (see map below). Cologne was the ancient Roman city of Colonia Agrippina in the province of Germania Inferior, and has been a bishop's see since Roman times. In 953, the archbishops of Cologne first gained noteworthy secular power, when Bishop Bruno was appointed as duke by his brother Emperor Otto I. To weaken the secular nobility, who threatened his power, Otto endowed Bruno and his successors in the bishop's see with the