Which architectural style is represented in the walled city of San Gimignano, Italy?

San Gimignano is a small walled medieval hill town in the province of Siena, Tuscany, north-central Italy. Known as the Town of Fine Towers, San Gimignano is famous for its medieval architecture, unique in the preservation of about a dozen of its tower houses, which, with its hilltop setting and encircling walls, form "an unforgettable skyline.

Medieval architecture is architecture common in the Middle Ages, and includes religious, civil, and military buildings. Styles include pre-Romanesque, Romanesque, and Gothic.

Within the walls, the well-preserved buildings include notable examples of both Romanesque and Gothic architecture, with outstanding examples of secular buildings as well as churches.

In the Middle Ages and the Renaissance era, it was a stopping point for Catholic pilgrims on their way to Rome and the Vatican, as it sits on the medieval Via Francigena. The city's development was also improved by the trade of agricultural products from the fertile neighbouring hills, in particular saffron, used in both cooking and dyeing cloth and Vernaccia wine, said to inspire popes and poets.