Sri Lanka is domestically recognized as Shri Lamka/Ilankai and the sort of government it has is Republic.
The capital city of Sri Lanka is Colombo and boasts a population of 2.4 million.

The Sri Lankan flag is comprises yellow with two panels; the smaller hoist-side panel has two equal vertical bands of green (hoist side) and orange; the other larger panel depicts a yellow lion holding a sword on a dark red rectangular field that also displays a yellow bo leaf in each corner; the yellow field appears as a border around the entire flag and extends between the two panels; the lion represents Sinhalese ethnicity, the strength of the nation, and bravery; the sword demonstrates the sovereignty of the nation; the four bo leaves - symbolizing Buddhism and its influence on the country - stand for the four virtues of kindness, friendliness, happiness, and equanimity; orange signifies Sri Lankan Tamils, green the Sri Lankan Moors; dark red represents the European Burghers, but also refers to the rich colonial background of the country; yellow denotes other ethnic groups; also referred to as the Lion Flag and is shown above.
The National symbol of Sri Lanka is lion.
The National hymn of Sri Lanka is ""Sri Lanka Matha" ("Mother Sri Lanka")" which was composed by Ananda Samarakoon.