   trentino-alto adige/sÃ¼dtirolconstitution of italy, part ii: organisation of the republic (art. 116) (, ; ; pensplan project of the region) is an autonomous region in northern italy. since the 1970s most legislative and administrative competencies have been transferred to the two autonomous provinces which make up the region: trentino and south tyrol. the region was part of austria-hungary and its predecessors, the austrian empire and the holy roman empire from the 8th century until its annexation by italy in 1919. together with the austrian state of [
Trentino-Alto_Adige/SA 1/4 dtirol