how big is south korea

South Korea has a land area of approximately 100,364 square kilometers (about 38,751 square miles). This makes it slightly smaller than North Korea but still significant in size. The country occupies the southern part of the Korean Peninsula and is ranked 107th in the world in terms of land area. South Korea is known for its mountainous terrain, with about 70% of the land covered by hills and mountains. Its total area includes some water bodies occupying around 290 square kilometers (110 square miles).