Ceylon
State · 1236–1506 CE · at its largest around 1294 CE
The island of Sri Lanka, home to several competing Sinhalese and Tamil kingdoms during the later medieval period.
On its lands while it lasted
- Dambadeniya (c. 1236–1293 CE): Capital of Kingdom of Dambadeniya (1236–1293).
- Nallur (c. 1314 CE): Capital of Jaffna kingdom (1314–1594).
More on Wikipedia.