APT Chianciano Terme - Valdichiana Official website of the Chianciano and Valdichiana's tourist offices
APT Siena Official website of the Siena's tourist office.
Comune di Siena Official website of the Siena's Municiapal Authorities: news, contacts, events...(Site in Italian only)
Provincia di Siena Official Website of the Siena's Provincial Authorities: info, news, contacts...(Site in Italian only)