Dongio is a village and former municipality in the canton of Ticino, Switzerland.
The canton of Ticino, formally the Republic and Canton of Ticino is the southernmost canton of Switzerland. Ticino borders the canton of Uri to the north, the canton of Valais to the west, the canton of Graubünden to the northeast, Italy's regions of Piedmont and Lombardy to the south and it surrounds the small Italian enclave of Campione d'Italia.
Switzerland, officially the Swiss Confederation, is a country situated in western, central and southern Europe. It consists of 26 cantons, and the city of Bern is the seat of the federal authorities. The sovereign state is a federal republic bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland is a landlocked country geographically divided between the Alps, the Swiss Plateau and the Jura, spanning a total area of 41,285 km2 (15,940 sq mi). While the Alps occupy the greater part of the territory, the Swiss population of approximately 8.5 million people is concentrated mostly on the plateau, where the largest cities are to be found: among them are the two global cities and economic centres Zürich and Geneva.
It was first recorded in year 1188 as Deuci.
The municipality also contained the villages Marogno and Motto. It had 532 inhabitants in 1682, which decreased to 391 in 1808. It was then stable for the next two centuries, reaching 488 in 1900 and 423 in 2000.
In 2004 the municipality was merged with the other, neighboring municipalities Castro, Corzoneso, Largario, Leontica, Lottigna, Marolta, Ponto Valentino and Prugiasco to form a new and larger municipality Acquarossa.
Castro is a village and former municipality in the canton of Ticino, Switzerland.
Corzoneso is a village and former municipality in the canton of Ticino, Switzerland.
Largario is a village and former municipality in the canton of Ticino, Switzerland.
