Sri Lanka is an island country in South Asia, located about 31 km off the southern coast of India. After over two thousand years of rule by local kingdoms, parts of Sri Lanka were colonized by Portugal and the Netherlands beginning in the 16th century, before control of the entire country passed to Britain in 1815. A nationalist political movement arose in the country in the early 20th century with the aim of obtaining political independence, which was eventually granted by the British after peaceful negotiations in 1948. The country became a republic and adopted its current name in 1972