This nation contains the Rakwana, Hatton and Knuckles highlands in addition to the Udawalawe, Wilpattu and Yala national parks. The Mahaweli is its longest river, while its highest peak lies near Nuwara Eliya, and is known as Pidurutalagala. Adam's Bridge separates the Gulf 
This nation contains the Rakwana, Hatton and Knuckles highlands in addition to the Udawalawe, Wilpattu and Yala national parks. The Mahaweli is its longest river, while its highest peak lies near Nuwara Eliya, and is known as Pidurutalagala. Adam's Bridge separates the Gulf of Manar from the Palk Strait, which separates the Jaffna peninsula of this nation from the mainland. For 10 points, name this country whose largest cities include Trincomalee, Kotte and Colombo, an island nation off the southern coast of India formerly known as Ceylon.
This nation contains the Rakwana, Hatton and Knuckles highlands in addition to the Udawalawe, Wilpattu and Yala national parks.
{Sri Lanka} [prompt on "{Ceylon}"]