As of 30 November 2010, it had a population of 1,726 and an area of . San Martin is home to the
Istitut Ladin Micurà de Rü, which is tasked with preserving and promoting the
Ladin culture and
language. San Martin borders the following municipalities:
Badia,
Brixen,
Corvara,
La Val,
Lüsen,
Mareo,
Santa Cristina Gherdëina,
Sëlva and
Villnöß.
Frazioni The municipality contains the
frazioni (subdivisions, mainly villages and hamlets) of Antermëia (Antermoia/Untermoi),
Lungiarü (Longiarù/Campill), and Picolin (Piccolino/Pikolein). ==History==