Flums is a municipality in the Wahlkreis (constituency) of Sarganserland in the canton of St. Gallen in Switzerland.

[3] As of 2006[update], Flums has an area of 75.1 km2 (29.0 sq mi), of which 51.7% is used for agricultural purposes, 32.2% forested, 3.9% settled (buildings or roads), and 12.1% non-productive (rivers or lakes).

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.

The blazon of the municipal coat of arms is Trierced per fess Or, Sable and Argent.

Of the foreign population as of 2000[update], 20 were from Germany, 126 from Italy, 688 from ex-Yugoslavia, 14 from Austria, 46 from Turkey, and 77 from other countries.

[4] Out of the total population in Flums, as of 2000[update], the highest education level completed by 1,372 people (28.1% of the population) was Primary, while 1,465 (30.0%) have completed Secondary, 298 (6.1%) have attended a Tertiary school, and 274 (5.6%) are not in school.

[8] The historical population is given in the following table:[3] The Gräpplang Castle (a prehistoric hilltop settlement and a ruined medieval castle), the Chapel of St. Jakob, and the catholic Church of St. Justus are listed as Swiss heritage sites of national significance.

[12] From the 2000 census[update], 3,480 or 71.3% are Roman Catholic, while 380 or 7.8% belonged to the Swiss Reformed Church.