Roman sites in Tuscany

Siena ( , ; traditionally spelled Sienna in English; ) is a city in Tuscany, in Central Italy, and the capital of the province of Siena. With a population of 52,991, it is the 12th-largest city in the region as of 2025.

thumb|right|upright|Lucca Cathedral Lucca ( , ) is a city and comune in Tuscany, Central Italy, on the Serchio River, in a fertile plain.

Fiesole () is a town and comune of the Metropolitan City of Florence in the Italian region of Tuscany, on a scenic height above Florence, 5 km (3 miles) northeast of that city. It has structures dating to Etruscan and Roman times.

square in the city of Lucca, built on the remains of the ancient Roman amphitheater (2nd century AD), which determined its closed elliptical shape

Cosa was an ancient Roman city near the present Ansedonia in southwestern Tuscany, Italy. It is situated on a hill 113 m above sea level and 140 km northwest of Rome on the Tyrrhenian Sea coast. It has assumed a position of prominence in Roman archaeology owing to its excavation.

Rusellae was an important ancient town of Etruria, Italy, which survived until the Middle Ages before being abandoned. The impressive archaeological remains lie in the modern frazione of Roselle (), near the city of Grosseto, Tuscany.

underground water channels in Siena