The Moesa Region is one of the eleven administrative districts in the Canton of the Grisons (or in German: Graubünden) in Switzerland. It had an area of 473.74 square kilometers (182.91 sq mi) and a population of 8,770 (as of 31 December 2020).. It was created on 1 January 2017 as part of a reorganization of the Canton.

Municipalities in the Moesa Region

Municipality	Population (31 December 2020)	Area (km)
Buseno	91	11.15
Castaneda	278	3.96
Rossa	151	58.89
Santa Maria in Calanca	115	9.31
Lostallo	840	50.86
Mesocco	1,323	164.77
Soazza	324	46.42
Cama	589	15
Grono	1,397	37.12
Roveredo (GR)	2,597	38.79
San Vittore	864	22.06
Calanca	201	37.72

The region borders with the Viamala Region to the north, with Italy to the east (Lombardy: Province of Sondrio and of Como) and with the Canton of Ticino (districts of Bellinzona to the southwest, Riviera and Blenio) to the west.

The Moesa region is divided into 12 municipalities:

Emblem	Name of the municipality	Inhabitants 31 December 2,020	Surface in km
	Buseno	91	11.15
	Calanca	201	37.72
	Cama	589	15.00
	Castaneda	278	3.96
	Grono	1340	36.41
	Lostallo	840	50.86
	Mesocco	1,323	164.76
	Rossa	151	58.88
	Roveredo	2,597	38.79
	Santa Maria in Calanca	115	9.31
	San Vittore	864	22.06
	Soazza	324	46.42

The Moesa region has about 8500 inhabitants, mostly Italian-speaking, and is part of Italian-speaking Graubünden and Italian-speaking Switzerland. It is linked economically to the Canton of Ticino; linguistically, however, a Lombard Alpine dialect is spoken that is heavily influenced by Germanic terms.

46°14′N 9°07′E / 46.233°N 9.117°E / 46.233; 9.117