overview opening hours The Baroque Church of St Ursula on bustling Národní třída is an understated yet impressive part of the Ursuline convent. Built between 1699 and 1704 to a design by Marco Antonio Canevalle, this single-nave church is notable for its High Baroque façade and richly decorated interior, featuring frescoes and altarpieces by leading Baroque masters. opening hours Regular Roman Catholic Masses Mon—Sun 17:00 The church opens 30 minutes before Mass. The entrance to the Church of St Ursula is on Národní třída. During Mass, enter through the same doorway as for the Institute of Endocrinology. Continue for several metres along the corridor and then take the door on the left. The original main entrance leading directly into the church from Národní třída is currently closed. more about opening hours opening hours Regular Roman Catholic Masses Mon—Sun 17:00 The church opens 30 minutes before Mass. The entrance to the Church of St Ursula is on Národní třída. During Mass, enter through the same doorway as for the Institute of Endocrinology. Continue for several metres along the corridor and then take the door on the left. The original main entrance leading directly into the church from Národní třída is currently closed.