Budinjak is located in the City of Samobor, in Zagreb County at an elevation of 600 meters above sea level and it covers the area of 1.90 km² (0.73 sq. miles). According to the 2011 census report, there were only nine inhabitants left. It is largely populated by Croats (85%), but also Serbs (15%). Nearby places: Bratelji, Mrzlo Polje Žumberačko, Osredek Žumberački, Glušinja, Dane, Javor, Sječevac, Cerovica, Višći Vrh and Gornja Vas.