Cepeliš is located in the City of Petrinja, in Sisak-Moslavina County at an elevation of 155 meters above sea level and it covers the area of 5.64 km² (2.18 sq. miles). According to the 2011 census report, there were 57 inhabitants. It is predominantly populated by Croats (91%), but also Serbs (9%). Nearby places: Križ Hrastovački, Hrastovica, Strašnik, Novo Selište, Župić, Pecki, Petrinja, Taborište, Gornja Bačuga and Brest Pokupski.