Frauenfeld is the capital of the canton of Thurgau in Switzerland. The official language of Frauenfeld is German, but the main spoken language is the local variant of the Alemannic Swiss German dialect.
Wikipedia https://en.wikipedia.org/wiki/Frauenfeld
Official Website https://www.frauenfeld.ch/
Coordinates 47°33'22.289" N 8°53'46.805" E