Cologne–Aachen (electoral district)
| 20 Cologne–Aachen Köln–Aachen | |
|---|---|
| Former electoral constituency for the Reichstag | |
Location within the Weimar Republic | |
| State | Prussia |
| Province | Rhine Province |
| Electorate | 1,220,653 (1919) 1,567,280 (1933) |
| Major settlements | Cologne, Aachen, Bonn |
| Former constituency | |
| Created | 1919 |
| Abolished | 1938 |
Cologne–Aachen was one of the 35 electoral districts (German: Wahlkreise) used to elect members to the Reichstag during the Weimar Republic. It sent members to the Reichstag in nine democratic elections between 1919 and 1933. It existed nominally in the show elections to the Nazi Reichstag until 1938.
It comprised the Regierungsbezirke of Cologne and Aachen from the Rhine Province within the Free State of Prussia. It was constituency 20 in the numbering scheme.