The interwar Free City of Danzig ( 1920-39 ) included the city of Danzig ( Gdańsk ) , the towns of Zoppot ( Sopot ) , Oliva ( Oliwa ) , Tiegenhof ( Nowy Dwór Gdański ) , Neuteich ( Nowy Staw ) and some 252 villages and 63 hamlets , covering a total area of 1,966 square kilometers ( 754 sq mi ) .
The Free City of Danzig included the major city of Danzig ( Gdańsk ) as well as Zoppot ( Sopot ) , Tiegenhof ( Nowy Dwór Gdański ) , Neuteich ( Nowy Staw ) and some 252 villages and 63 hamlets .