overview opening hours admission The Gallery of the Prague — Troja Municipal District is located near the Troja Castle. Regular exhibitions of contemporary Czech artists are held here. opening hours january—december mon closed tue 14:00—18:00 wed—fri closed sat—sun 10:00—18:00 more about opening hours admission free více o vstupném admission free opening hours january—december mon closed tue 14:00—18:00 wed—fri closed sat—sun 10:00—18:00