Hitler's Secret Tunnels Filming Locations

Sieniawka is a village in the administrative district of Gmina Bogatynia, within Zgorzelec County, Lower Silesian Voivodeship, in south-western Poland, close to the Czech and German borders.

Wrocław is a city on the Oder River in western Poland. It’s known for its Market Square, lined with elegant townhouses and featuring a modern fountain. Also on the square is the Gothic Old Town Hall, with its large astronomical clock. Nearby is the Panorama of Racławice, a painting depicting the 1794 battle for independence. The Centennial Hall auditorium, with its giant dome and tall spire, lies across the river.

Thuringia, officially the Free State of Thuringia, is a state of central Germany, covering 16,171 square kilometres, the sixth smallest of the sixteen German states. It has a population of about 2.1 million. Erfurt is the capital and largest city. Other cities are Jena, Gera and Weimar.