The former capital site is located a few miles northwest of Mrauk U, Rakhine State, Myanmar.

The Arakanese chronicle Rakhine Razawin Thit gives the foundation date as 22 April 1251.

[a] Some Arakanese chronicles give the foundation date as 1237 CE.

[1] Following the death of King Nganalon, his son Prince Alawmaphyu succeeded him in 1250.

He reigned for one year at the capital of Nyeinzara Toungoo, at which point he realized that it was time for foundation of a new city.