The “Historic Centre of San Gimignano” is a UNESCO World Heritage Site. The town also is known for saffron, the Golden Ham, and its white wine, Vernaccia di San Gimignano, produced from the ancient variety of Vernaccia grape which is grown on the sandstone hillsides of the area.
Thursday is market day in Piazza del Duomo (map).
The city is on the ridge of a hill with its main axis being north/south. It is encircled by three walls and has at its highest point, to the west, the ruins of a fortress dismantled in the 16th century. There are eight entrances into the city, set into the second wall, which dates from the 12th and 13th centuries.
Piazza della Cisterna (map). This Piazza, entered from Via San Giovanni, is the main square of the town. It is triangular in shape and is surrounded by medieval houses of different dates, among them some fine examples of Romanesque and Gothic palazzos.
Piazza Duomo (map). This piazza is to the north of Piazza della Cisterna and is connected by a passage adjacent to an open loggia. To the west, at the top of the square, stands the *Collegiate Church (map), reached by a broad flight of steps.
While in other cities, such as Florence, most or all of their towers have been brought down by wars, catastrophes, or urban renewal, San Gimignano has managed to conserve fourteen towers of varying heights, for which it is known internationally.