Veliki Obljaj is located in the City of Glina, in Sisak-Moslavina County at an elevation of 289 meters above sea level and it covers the area of 21.79 km² (8.41 sq. miles). According to the 2011 census report, there were 24 inhabitants. It is predominantly populated by Serbs (95%), but also Croats (5%). Nearby places: Mali Obljaj, Bojna, Kobiljak, Borovita, Brubno, Šaševa, Mala Vranovina, Hajtić, Staro Selo Topusko and Buzeta.