Zrenj, Oprtalj
Zrenj is located in the municipality Oprtalj, in Istra County at an elevation of 472 meters above sea level and it covers the area of 11.11 km² (4.29 sq. miles). According to the 2011 census report, there were 76 inhabitants. It is mostly populated by Croats (70%), but also Italians (26%) and Serbs (4%). Nearby places: Žnjidarići, Vižintini, Šorgi, Žonti, Mali Mlun, Gradinje, Seljaci, Pračana, Ipši and Salež.