San Zeno is the site of a church and a former abbey

Abbey

An abbey is a Catholic monastery or convent, under the authority of an Abbot or an Abbess, who serves as the spiritual father or mother of the community.The term can also refer to an establishment which has long ceased to function as an abbey,...

 in Pisa

Pisa

Pisa is a city in Tuscany, Central Italy, on the right bank of the mouth of the River Arno on the Tyrrhenian Sea. It is the capital city of the Province of Pisa...

, Tuscany

Tuscany

Tuscany is a region in Italy. It has an area of about 23,000 square kilometres and a population of about 3.75 million inhabitants. The regional capital is Florence ....

, Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

.

The church is documented going back to 1029. It was part of a monastery built over pre-existing edifices, and, until the 15th century, it had also a hospital. In the 12th century it was held by the Camaldolese

Camaldolese

The Camaldolese monks and nuns are part of the Benedictine family of monastic communities which follow the way of life outlined in the Rule of St. Benedict, written in the 6th century...

 monks.

The church has a nave and two aisles. The façade is preceded by a portico

Portico

A portico is a porch leading to the entrance of a building, or extended as a colonnade, with a roof structure over a walkway, supported by columns or enclosed by walls...

 supported by pilasters and a central columns. The second row has mullioned windows and decorations with lozenges and small circular windows, with ceramic basins by Islamic masters (11th century; the originals are in the Museum of St. Matthew of Pisa).

The interior has ancient Roman capitals and traces of medieval paintings.