Vadena (Italian pronunciation: [ˈvaːdena]; German: Pfatten [ˈpfatn̩]) is a comune (municipality) in South Tyrol in northern Italy, located about 10 kilometres (6 mi) southwest of the city of Bolzano.

[3] Vadena borders the following municipalities: Auer, Bolzano, Bronzolo, Eppan, Kaltern, Laives and Tramin.

The municipality of Vadena contains the frazione (subdivision) Piccolongo (Piglon) and is home to the medieval castle of Laimburg.

The emblem symbolizes the geographical position of the municipality: the ruins of the tower represent the Laimburg Castle, the two peaks of the Mitterberg, the thin band of the motorway A22 and the wavy river Adige.

[4] According to the 2024 census, 61.52% of the population speak Italian, 38.14% German and 0.34% Ladin as their first language.