Wikipedia
Pfyn
Pfyn is a municipality in Frauenfeld District in the canton of Thurgau in Switzerland.
Pfyn gives its name to the ancient Pfyn culture, one of several Neolithic cultures in Switzerland which centered on intensive pig farming and trading, dating from c. 3900 BC to c. 3500 BC.
Pfyn was also the site of a Roman era frontier outpost, named Ad Fines (Latin: meaning "at the borders")