Ciechanow is a town in north-central Poland with 47,900 inhabitants (2002).
Before World War II, it was home to a large Jewish community.
During the war many Polish Jews and resistance fighters were executed by the Germans in the castle.

Torun is a city in northern Poland, on the Vistula River, with population over 207,190 as of 2006.
The medieval old town of Torun is a birthplace of Nicolaus Copernicus.
Listed on the UNESCO list of World Heritage Sites since 1997, Torun has many monuments of architecture beginning from the Middle Ages.

Malbork (Marienburg) is a town in northern Poland with 45,000 inhabitants.
Founded in the 13th century by the Teutonic Knights, Malbork is noted for its Gothic castle, one of the most striking in Europe.