Tambapanni and its successive kingdoms were situated in what is presently Sri Lanka.
The monarchy ended with Sri Vikrama Rajasinha of Kandy in 1815 after generations of European influences and upheaval in the royal court.
6. c. 7), the monarch the served as the Head of state of Sri Lanka (then known as Ceylon), and was represented in the country by a governor-general.
Ceylon became a republic under the Constitution of 1972, and the monarch was replaced by a ceremonial president.
During the constitutional crisis of 2018, the Sri Lankan president attempted to dismiss and replace the prime minister unilaterally, but his action was resisted by parliament and the judiciary.