So I heard there is this island called "Ernst Thälmann Island," which was given to East Germany from Cuba during the 70's. When East Germany reunified with West Germany in 1990, the treaty didn't state that this island is not part of East Germany anymore. Thus, there is a theory that Ernst Thälmann Island is the last part of East Germany. The unrecognized Micronation, the Republic of Molossia, in Nevada, claims they are still at war with this nation, and even conducted a test that there is still East German activities on the island. So, who knows? East Germany may still be functioning, just without the whole world knowing... Oh yeah, I forgot to mention you could visit the Island too.