 The larger part of the municipality is on the eastern slope of the Churfirsten-Alvier group.It consists of the village of Grabs, scattered settlements on the Grabserberg with the hamlets of Forst, Lehn and Schluss, the village section of Studen, the scattered settlement of Studnerberg and the little city of Werdenberg.It also includes lightly settled alpine pastures on the broad "Maiensässgürtel".