Klenovšćak is located in the municipality Lanišće, in Istra County at an elevation of 670 meters above sea level and it covers the area of 3.97 km² (1.53 sq. miles). According to the 2011 census report, there were only five inhabitants left. It is entirely populated by Croats. Nearby places: Trstenik, Kropinjak, Rašpor, Prapoće, Dane, Slum, Brest, Gornja Nugla, Račja Vas and Krkuž.