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Built in 1290, it was one of the five entrance gates of the ancient city walls. The tower is 19 meters tall and has three floors. At the top is a small crenellated tower with a bronze bell dating back to 1430. Guided tours are available every 30 minutes during opening hours. Its twin, the Torre di San Filippo or Port'a Mari, which was located in what is now Piazza Manno, was demolished in 1907, when, in a serious state of abandonment and dilapidation, it was deemed "of no artistic or cultural value" by the Ministry of Education.
Santo Spirito
The church is mentioned in some 16th-century documents, but only an archaeological investigation could reveal the exact origins of this building, which according to some hypotheses dates back to the Byzantine era.
Palazzo Giudicale
The first sources that testify to its existence are found in the chronicles of the arrival in Oristano of the Archbishop of Pisa, Federico Visconti in 1263. This news is confirmed in the will of Judge Ugone II in 1335, which locates it on one side of Piazza Maioria, today's Piazza Manno.
Palazzo d'Arcais
It houses remains of the Gothic and Romanesque churches. The chapter house of the Baroque cathedral houses ancient vestments and silverware. It houses the largest collection of illuminated manuscripts in Sardinia, dating from the 13th to 15th centuries.
The Municipal Art Gallery hosts a permanent exhibition featuring some works from the Municipal Collection and several temporary exhibitions.