Sertić Poljana is located in the municipality Plitvička Jezera, in Lika-Senj County at an elevation of 642 meters above sea level and it covers the area of 6.81 km² (2.63 sq. miles). According to the 2011 census report, there were only 12 inhabitants. It is entirely populated by Croats. Nearby places: Poljanak, Korana, Plitvica Selo, Rastovača, Selište Drežničko, Korita, Plitvička Jezera, Smoljanac, Čatrnja and Grabovac.