Mon State (, ]; Mon: ) is an administrative division of Myanmar. It lies between Kayin State to the east, the Andaman Sea to the west, Bago Region to the north and Tanintharyi Region to the south, also having a short border with Thailand's Kanchanaburi Province at its south-eastern tip. The land area is . The Dawna Range, running along the eastern side of the state in a NNW-SSE direction, forms a natural border with Kayin State. Mon State includes some small islands, such as Kalegauk, Wa Kyun and Kyungyi Island, along its of coastline. The state's capital is Mawlamyine.