East Germany existed as a state between 1949 and 1990 following the division of Germany at the end of World War II. The eastern part, or DDR, belonged to the Soviet bloc except for a part of the city of Berlin.

Credits: the map is credited to Karte: NordNordWest, Lizenz: Creative Commons by-sa-3.0 de, CC BY-SA 3.0 DE, via Wikimedia Commons. | Graphics, adaptation and code are mine and are licensed under the Creative Commons Attribution-ShareAlike 2.0 license (CC BY-SA 2.0).

Resources:

• East Germany on Wikipedia
• For a huge media collection about East Germany visit: Stasi Mediathek