Villesse is a comune located in the Friuli-Venezia Giulia region of northeastern Italy. It falls within the regional decentralization entity of Gorizia, situated approximately 15 kilometres southwest of the city of Gorizia and about 40 kilometres northwest of Trieste.
As of January 1, 2024, the municipality covers an area of 11.8 square kilometres and has a population of 1,607 residents.