Sarntal (German pronunciation: [ˈsarntaˑl]; Italian: Sarentino [sarenˈtiːno]) is a valley and a comune (municipality) in South Tyrol in northern Italy, located about 15 kilometres (9 mi) north of the city of Bolzano. The municipality comprises several towns and villages. The largest one, seat of the mayor and council, is Sarnthein.