Iceland has a population of around 320,000 people within an area of 103,000 square kilometers. The country has many geographic features including Lake Thingvallavatn which is 82 square kilometers, the 237 kilometer long Thjorsa River, and the tallest mountain Hvannadalshnukur which is 2110 meters high. Some of the largest cities are Reykjavik, Kopavogur, Hafnarfjordur, and Reykjanesbaer. The Icelandic horse and sheep are common animals alongside Icelandic cattle. Volcanoes like Hekla and Herdubreid are geologically active alongside geysers like Strokkur and Geys