Saint-Sulpice-d'Excideuil (, literally Saint-Sulpice of Excideuil; Limousin: Sent SoplesÃÂ d'Eissiduelh, or Sent SoplesÃÂs d'Eissiduelh) is a commune in the Dordogne department in Aquitaine in southwestern France. It is located about 40 km north east of Perigueux.