格罗塞托（意大利语：Grosseto）位于意大利中部第勒尼安海畔，是格罗塞托省的首府。

离第勒尼安海约14公里，翁布罗内河平原中心，海拔不超过10米。

Grosseto [ɡrosˈseːto]  listen  is a city and comune in the central Italian region of Tuscany, the capital of the Province of Grosseto. The city lies 14 kilometres (9 miles) from the Tyrrhenian Sea, in the Maremma, at the centre of an alluvial plain on the Ombrone river.