Arvigo is a former municipality in the district of Moesa in the south of the Swiss canton of Graubünden, next to Ticino.

Of the rest of the land, 1.5% is settled (buildings or roads) and the remainder (33.1%) is non-productive (rivers, glaciers or mountains).

It is the capital of the Val Calanca and also home to the local District Court.

[6] The age distribution, as of 2000[update], in Arvigo is; 4 children or 4.3% of the population are between 0 and 9 years old.

[4] In the 2007 federal election the most popular party was the SVP which received 41.9% of the vote.