Officially the Democratic Socialist Republic of Sri Lanka, is an island country in the northern Indian Ocean off the southern coast of the Indian subcontinent in South Asia; known until 1972 as Ceylon. Sri Lanka has maritime borders with India to the northwest and the Maldives to the southwest. Sri Lanka has a documented history that spans over 3000 years. Sri Lanka is a diverse country, home to many religions, ethnicities and languages. It is the land of the Sinhalese, Sri Lankan Tamils, Moors, Indian Tamils, Burghers, Malays, Kaffirs and the aboriginal Vedda. Sri Lanka has a rich Buddhist heritage. The country's recent history has been marred by a thirty-year civil war which decisively but controversially ended in a military victory in 2009. Sri Lanka is a republic and a unitary state governed by a presidential system. The capital, Sri Jayawardenapura-Kotte, is a suburb of the largest city, Colombo. An important producer of tea, coffee, gemstones, coconuts, rubber, and the native cinnamon, Sri Lanka is known as "the Pearl of the Indian Ocean" because of its natural beauty. Sri Lanka has also been called "Pearl of Indian Ocean" because of its shape and location, and "the nation of smiling people". The island contains tropical forests and diverse landscapes with high biodiversity.