Where is Museum of St. Maximilian Kolbe "There was a Man"?

Where is Museum of St. Maximilian Kolbe "There was a Man" located?

Museum of St. Maximilian Kolbe "There was a Man", Museum of St. Maximilian Kolbe "There was a Man", Poland (approx. 52.204445°, 20.420834°)

Where is Museum of St. Maximilian Kolbe "There was a Man" on the map?