is a community
in Nicolet-Yamaska Regional County Municipality
. The town is situated at a bend in the Bécancour River
. The northern branch of Autoroute 55
terminated at the 9e rang of Saint-Wenceslas until its completion in October 2006. Route 161
also goes through the town.
The village church in Saint-Wenceslas was designed by Jean-Baptiste Louis Bourgeois, a local architect who also designed a Bahá'í House of Worship in the town of Wilmette, USA.