Verdabbio is a former municipality in the district of Moesa in the Swiss canton of Graubünden.

Of the rest of the land, 1.1% is settled (buildings or roads) and the remainder (31.9%) is non-productive (rivers, glaciers or mountains).

[4] The former municipality is located in the Roveredo sub-district of the Moesa district.

[6] The age distribution, as of 2000[update], in Verdabbio is; 18 children or 11.0% of the population are between 0 and 9 years old.

[5] In the 2007 federal election the most popular party was the SP which received 47% of the vote.