Ostrow Tumski, the oldest part of Wroclaw, one of the islands on Odra river

The oldest buildings in Ostrów Tumski are: the late Romanesque church of St. st. Giles from the beginning of the 13th century and the church of St. st. Martin, a remnant of the ducal castle of the Silesian Piasts from the turn of the 12th and 13th centuries