Istočni Trojvrh is located in the municipality Josipdol, in Karlovac County at an elevation of 350 meters above sea level and it covers the area of 1.77 km² (0.68 sq. miles). According to the 2011 census report, there were 22 inhabitants. It is mostly populated by Serbs (60%), but also Croats (35%). Nearby places: Pothum Plaščanski, Vojnovac, Trojvrh, Vajin Vrh, Latin, Kunić, Cerovnik, Međeđak, Sabljaki Modruški and Munjava Modruška.