Democratic Socialist Republic of Sri Lanka is an island country located off the southern coast of India. Sri Lanka is surrounded by the Indian Ocean, Gulf of Mannar, and the Palk Strait, and lies in the vicinity of India and the Maldives. The geography of Sri Lanka includes coastal plains in the north and hills and mountains in the interior. Sri Jayawardhenepura Kotte is the capital of Sri Lanka. The currency of Sri Lanka is the Sri Lankan Rupee. According to the 2018 estimates of the Census and Statistics Department, population of Sri Lanka was 21,670,000 and annual population growth rate was 1.05%. Sri Lanka has a total area of 65,610 km2, with 62,705 km2 of land and 2,905 km2 of water. The Gross Domestic Production (GDP) in Sri Lanka was of the value of 88.9 billion US dollars in 2018.