Donje Zagorje is located in the City of Ogulin, in Karlovac County at an elevation of 364 meters above sea level and it covers the area of 21.44 km² (8.28 sq. miles). According to the 2011 census report, there were 232 inhabitants. It is predominantly populated by Croats (99%), but also. Nearby places: Gornje Zagorje, Zagorje, Desmerice, Ribarići, Salopeki Modruški, Munjava, Josipdol, Dujmić Selo, Munjava Modruška and Modruš.