Au, St. Gallen

Au
Location of Au
Au
Au
Coordinates: 47°26′N 9°38′E / 47.433°N 9.633°E / 47.433; 9.633
CountrySwitzerland
CantonSt. Gallen
DistrictRheintal
Government
 • MayorDr. Walter Grob
Area
 • Total
4.69 km2 (1.81 sq mi)
Elevation
405 m (1,329 ft)
Population
 (December 2020)
 • Total
7,984
 • Density1,700/km2 (4,410/sq mi)
Time zoneUTC+01:00 (CET)
 • Summer (DST)UTC+02:00 (CEST)
Postal code
9434
SFOS number3231
ISO 3166 codeCH-SG
Surrounded byBalgach, Berneck, Lustenau (AT-8), Sankt Margrethen, Walzenhausen (AR), Widnau
Websitewww.au.sg.ch

Au (German pronunciation: [aʊ] ) is a municipality in the Wahlkreis (constituency) of Rheintal in the canton of St. Gallen in Switzerland.