Province of Siena
Edited by:
Massimo Martini
Last Visit: 23/01/2026
Introduction
Description
Information
Area: 3821 sq km
Inhabitants: 270,333
Municipalities: 36
Border provinces:Province of Florence, Province of Arezzo, Province of Perugia, Province of Terni, Province of Viterbo, Province of Grosseto, Province of Pisa
Institutional site:www.provincia.siena.it