The Castle of the Masovian Dukes is a Gothic castle located in Czersk, Masovian Voivodeship in Poland.
Wikipedia https://en.wikipedia.org/wiki/Czersk_Castle
Official Website http://www.zamekczersk.pl/
Address Podzamcze, 05-530, Poland
Coordinates 51°57'28.826" N 21°14'2.186" E
