Formerly known as Ceylon, For 10 points, name this island nation south of India with capital at Colombo.
One World Heritage Site in this country is the Sigiriya fortress, which has been inhabited by monks since the fifth century. Satellite images have found a land bridge submerged underwater connecting this nation to the mainland, which is named Adam's Bridge. Its highest point is Pidurutalagala, which serves as a military base, and the longest river in this country is the Mahaweli. It is separated from the mainland by the Palk Strait, which is close to the Jaffna Peninsula, and this country saw the defeat of the extremist Tamil Tigers in 2009. Formerly known as Ceylon, For 10 points, name this island nation south of India with capital at Colombo.
One World Heritage Site in this country is the Sigiriya fortress, which has been inhabited by monks since the fifth century.
Democratic Socialist Republic of Sri Lanka [accept Shri Lamka or Ilankai; prompt on Ceylon]