Santa Maria Val Müstair () is a village in the Val Müstair municipality in the district of Inn in the Swiss canton of Graubünden. In 2009 Santa Maria Val Müstair merged with Lü, Müstair, Fuldera, Tschierv and Valchava to form the municipality of Val Müstair. History Sta. Maria Val Müstair is first mentioned in 1167–70 as die Kapelle Sancte Mariae in Silvaplana. Geography Sta. Maria Val Müstair has an area, , of . Of this area, 31.9% is used for agricultural purposes, while 24.7% is forested. Of the rest of the land, 1.2% is settled (buildings or roads) and the remainder (42.1%) is non-productive (rivers, glaciers or mountains). The village is located in the Val Müstair sub-district (now Val Müstair municipality) of the Inn district. It is along the Umbrail pass road. It consists of the cross-shaped village of Sta. Maria Val Müstair and the alpine settlements of Craistas, Büglios and Pütschai as well as the hamlet of Sielva which includes the hospital. Until 1995 Sta. Maria Val Müstair was known as Santa Maria im Münstertal. Population Sta. Maria Val Müstair has a population () of 339, of which 8.8% are foreign nationals. Over the last 10 years the population has decreased at a rate of −14.8%. , the gender distribution of the population was 54.2% male and 45.8% female. The age distribution, , in Sta. Maria Val Müstair is; 7 children or 4.5% of the population are between 0 and 9 years old. 6 teenagers or 3.9% are 10 to 14, and 10 teenagers or 6.5% are 15 to 19. Of the adult population, 13 people or 8.4% of the population are between 20 and 29 years old. 15 people or 9.7% are 30 to 39, 25 people or 16.2% are 40 to 49, and 26 people or 16.9% are 50 to 59. The senior population distribution is 27 people or 17.5% of the population are between 60 and 69 years old, 19 people or 12.3% are 70 to 79, there are 4 people or 2.6% who are 80 to 89, and there are 2 people or 1.3% who are 90 to 99. In the 2007 federal election the most popular party was the SVP which received 43.7% of the vote. The next three most popular parties were the SPS (23.3%), the FDP (19.6%) and the CVP (11.8%). The entire Swiss population is generally well educated. In Sta. Maria