largest field of the area under Kapela-Plaški Polje. This comprises a completed geographical whole border on the western side by the mountain massif of Velika Kapela dominated by Klek (1181 m). Its eastern edges are bordered by the mounts of Krpel (), Brezovica () and Hum (). The valley then passes to the hilly are dominated by Klekinja () and Trojvrh (). This valley is also called Ogulin's Plain (in Croatian: Ogulinsko Polje). This is the fifth largest karst valley in Croatia (), and it lies above sea level. Its elongated form lies in the direction northwest-southeast, and it is long (Ogulin-Trojvrh) and wide (Desmerice-Skradnik). The Dobra River runs through and disappears in the center of the town. Approximately three kilometers south of the town centre is an artificial lake Sabljaci, formed with the purpose of accumulating water from the Zagorska Mrežnica river, and for the sake of generating electricity in the Hydroelectric power plant Gojak. The lake is connected with the town's other artificial lake, lake Bukovnik, via a tunnel. Lake Bukovnik is approximately one kilometer away from lake Sabljaci, and is connected to the hydroelectric power plant Gojak also with a tunnel, approximately 10 km long. The surface area of lake Sabljaci is around 170 ha, which makes it the 11th Croatian lake when compared by size. The lake contains many kinds of fish species, and it is also used for swimming and various water sports. Elevation: 323 m (1060 ft) above sea level Latitude: 45° 15' 59" Longitude: 15° 13' 44" Climate Population According to the 2011 census, Croats comprise 80.2% and Serbs 17.7% of the municipality population. Serbs form a majority in many villages, most of them are upland. The settlements in the municipality are: Desmerice, population 262 Donje Dubrave, population 199 Donje Zagorje, population 230 Drežnica, population 516 Dujmić Selo, population 142 Gornje Dubrave, population 90 Gornje Zagorje, population 297 Hreljin Ogulinski, population 549 Jasenak, population 226 Marković Selo, population 56 Ogulin, population 8,216 Otok Oštarijski, population 381 Ponikve, population 98 Popovo Selo, population 46 Potok Musulinski, population 91 Puškarići, population 439 Ribarići, population 337 Sabljak Selo, population 254 Salopek Selo, population 246 Sveti Petar, population 651 Trošmarija, population 127 Turkovići Ogulinski, population 249 Vitunj, population 98 Zagorje, population 115 Culture Parish Church of the Extolling Saint Cross This church was built in 1781 in the middle of the town, in the Park of King