格拉魯斯州
The municipality is located in the Sarganserland "Wahlkreis". Until 2002 it was the capital of the Sargans district. In terms of area, it is the third largest municipality in the canton. Flums covers an area from the Schils valley to the border with the Canton of Glarus, part of the Flumserberge, part of the Seez valley, and the western slope of the Alvier chain. It consists of the village sections of Flums-Dorf, Grossberg, and Kleinberg.