Tschierv was until 31 December 2008, a municipality in the district of Val Müstair in the district of Inn in the canton of Grisons in Switzerland. January 1, 2009 Tschierv has merged with other Swiss towns of the valley (Fuldera, Lü, Müstair, Santa Maria Val Müstair and Valchava) to the municipality of Val Müstair.