Located on the southern flank of Monte Urgull, in the heart of the old part of town, the Basilica of Santa María del Coro is one of the most visited architectural works in Donostia-San Sebastián. The church dates from 1750. It was built on the site of an old Roman church and is thus considered the oldest church in the city. It has a rectangular plan, with semicircular apse, and secondary buildings.The nave of Santa María back onto the north part. The main front is noteworthy, built with a very large vaulted niche.The church is flanked by two towers.