Among the most notable historic districts of the city are: Wawel Hill, home to Wawel Castle and Wawel Cathedral, where many historic Polish kings are buried; the medieval Old Town, with its Main Market Square ( 200 meters square); dozens of old churches and museums; the 14th-century buildings of the Jagiellonian University; and Kazimierz, the historical centre of Kraków's Jewish social and religious life.