South Tyrol (German and ; ), also known by its alternative Italian name Alto Adige , is an autonomous province in northern Italy. It is one of the two autonomous provinces that make up the autonomous region of Trentino-Alto Adige/Südtirol. The province has an area of and a total population of 511,750 inhabitants (31.12.2011). Its capital is the city of Bolzano (German: Bozen; Ladin: Balsan or Bulsan).