Grosseto is a city of Tuscany and is the main centre of Maremma. This city is one of the few Italian cities where the old town has been completely surrounded by walls un'integra, never changed over the centuries. The area is near the southern Ombrone river that originates at San Gusmè ", in the south-eastern part of the Chianti Mountains, to lead after a long journey in the Natural Park of Maremma.