Prvonožina is located in the City of Velika Gorica, in Zagreb County at an elevation of 128 meters above sea level and it covers the area of 1.40 km² (0.54 sq. miles). According to the 2011 census report, there were 42 inhabitants. It is entirely populated by Croats. Nearby places: Petravec, Jerebić, Cerovski Vrh, Gustelnica, Dubranec, Vukomerić, Cvetković Brdo, Čakanec, Lukinić Brdo and Lučelnica.