Ružići is located in the municipality Matulji, in Primorje-Gorski Kotar County at an elevation of 298 meters above sea level and it covers the area of 1.71 km² (0.66 sq. miles). According to the 2011 census report, there were 123 inhabitants. It is predominantly populated by Croats (94%), but also Slovenes (3%) and Serbs (2%). Nearby places: Permani, Mali Brgud, Brešca, Mučići, Breza, Zaluki, Veli Brgud, Škalnica, Zvoneće and Jurdani.