Frankfurt is a town in Brandenburg, Germany, located on the west side of the Oder River, on the Germany-Poland border, about 80 kilometres east of Berlin. Until the end of Second World War, the city of Słubice, Poland, was a part of Frankfurt. Until 1990 Frankfurt an der Oder was part of East Germany.
At the end of the 1980s, it reached a population peak with more than 87,000 inhabitants. The number dropped below 70,000 in 2002 and was just above 60,000 in 2010.The city's recorded history began in the 13th century as a Polish settlement. Throughout its history it was part of Poland, Brandenburg, the Bohemian Crown, Prussia and Germany, including East Germany.