Ascoli Piceno is a small city in the Marche region of Italy, known for its ancient architecture and its production of olive oil. The city is perched on a hilltop overlooking the River Tronto, and its narrow streets and alleyways are a maze of medieval and Renaissance buildings. The main square, Piazza del Popolo, is surrounded by the city hall, the cathedral, and a number of palaces. The city is also home to a number of art galleries, including the Pinacoteca Civica, which houses a collection of paintings by Renaissance masters. Ascoli Piceno is surrounded by olive groves, and the city's olive oil is considered some of the best in Italy.