Vogtei Rheintal (lit. 'Bailiwick of the Rhine Valley') was a condominium of the Old Swiss Confederacy from the 15th century until 1798.Its territory corresponded to the left banks of the Alpine Rhine between Hoher Kasten and Lake Constance, including the towns of Altstätten and Rheineck.
Vogtei Rheintal is presently part of the canton of St. Gallen, specifically and primarily in the constituency of Rheintal.
The Wahlkreis Rheintal (English: Rhine Valley) is a constituency (Wahlkreis) of the canton of St. Gallen, Switzerland, formed under the new constitution of the canton on 10 June 2001. It consists largely of the former districts of Oberrheintal and Unterrheintal.
The Wahlrkreis covers almost all the region of Vogtei Rheintal and later Rheintal District.
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