Vidulini is located in the municipality Žminj, in Istra County at an elevation of 270 meters above sea level and it covers the area of 1.12 km² (0.43 sq. miles). According to the 2011 census report, there were 36 inhabitants. It is entirely populated by Croats. Nearby places: Pifari, Prkačini, Kršanci, Matijaši, Ladići, Debeljuhi, Kanfanar, Krničari, Kresini and Krajcar Breg.