The village was part of the Squadra di Calanca until 1851 when it became an independent municipality.

[7] Based on the 2009 survey, the former municipalities that make up Calanca had an area of 37.72 km2 (14.56 sq mi).

[10] The historical population is given in the following chart:[11] The villages of Landarenca, Braggio and Bodio / Cauco are all part of the Inventory of Swiss Heritage Sites.

The wettest month is May during which time Braggio receives an average of 204 mm (8.0 in) of precipitation.

The driest month of the year is December with an average of 55 mm (2.2 in) of precipitation over 12 days.