Valchava is a village in the Val Müstair of the canton of Graubünden (Grisons), Switzerland. It was an independent municipality in the district of Inn until on 1 January 2009 Valchava merged with Fuldera, Lü, Müstair, Santa Maria Val Müstair and Tschierv to form Val Müstair.

Val Müstair is a municipality in the Engiadina Bassa/Val Müstair Region in the Swiss canton of Graubünden. It was formed on 1 January 2009 through the merger of Tschierv, Fuldera, Lü, Valchava, Santa Maria Val Müstair and Müstair.