The Romanesque church tower is the oldest part of the church. It was built circa 1200. Originally it was attached to a Romanesque church, the nave and choir of which however was replaced with the presently visible Gothic parts at the end of the 13th century. The sacristy is the only non-medieval part of the church; it was built in 1866. The exterior of the church is decorated with Romanesque reliefs, re-used from the earlier church and incorporated into the Gothic structure. Inside, the choir retains traces of original church frescos.
Several of the church fittings are medieval. The baptismal font dates from the 12th century and was made by the sculptor Hegvald; it is considered one of the artist's finest pieces. The church also houses a triumphal cross from the same century. The altarpiece is also medieval but was altered in the 17th century. Most of the other fittings, such as the pews and the pulpit, date from later centuries.References:
Sirmione castle was built near the end of the 12th century as part of a defensive network surrounding Verona. The castle was maintained and extended first as part of the Veronese protection against their rivals in Milan and later under the control of the Venetian inland empire. The massive fortress is totally surrounded by water and has an inner porch which houses a Roman and Medieval lapidary. From the drawbridge, a staircase leads to the walkways above the walls, providing a marvellous view of the harbour that once sheltered the Scaliger fleet. The doors were fitted with a variety of locking systems, including a drawbridge for horses, carriages and pedestrians, a metal grate and, more recently, double hinged doors. Venice conquered Sirmione in 1405, immediately adopting provisions to render the fortress even more secure, fortifying its outer walls and widening the harbour.
Thanks to its strategical geographical location as a border outpost, Sirmione became a crucial defence and control garrison for the ruling nobles, retaining this function until the 16th century, when its role was taken up by Peschiera del Garda.