Heidelberg is a city (156,267 inhabitants end 2015) situated on the River Neckar in south-west Germany. The fifth-largest town in the State of Baden-Württemberg after Stuttgart, Karlsruhe, Mannheim and Freiburg im Breisgau, Heidelberg is part of the densely populated Rhine-Neckar Metropolitan Region.
Heidelberg consists of 15 districts distributed in six sectors of the town. In the central area are Altstadt (the Old Town), Bergheim and Weststadt; in the north, Neuenheim and Handschuhsheim; in the east, Ziegelhausen and Schlierbach; in the south, Südstadt, Rohrbach, Emmertsgrund, and Boxberg; in the southwest, Kirchheim; in the west, Pfaffengrund, Wieblingen, and a new district, named Bahnstadt, is built on land in Weststadt and Wieblingen.
Postmarks in Germany
Allied Occupation Postmarks
Heidelberg belonged to RPD Karlsruhe, PLZ 17a, in the American Zone of occupation.
Postmarks in German Empire
After 31 December 1871.
Postmarks of Grand Duchy of Baden
Heidelberg was a District, code 57. HEIDELBERG sub-offices (Postablagen) were opened at Carlsthor, Edingen and Ziegelhausen. The postmark DE HEIDELBERG is known since 1723.