The Agent of the British government, the Superintendent of the Southern Shan States, resided at Taunggyi and the king's palace was at Yawnghwe.
Yawnghwe included the subsidiary states of Mawnang (Heho), Mawson, Loimaw, Loi-ai and Namhkai.
Historically the majority of the population in the state belonged to the Intha, Pa-O, Danu, Shan and Taungyo people groups.
The rulers of Yawnghwe bore the title of Saopha; their ritual style was Kambojaraṭṭha Sīripavara Mahāvaṃsa Sudhammarāja.
[4] 1st Formerly the Saopha of Yawnghwe would personally welcome the four Buddha images during the annual festival at Hpaung Daw U Pagoda, an 18-day pagoda festival, during which the Buddha images were placed on a replica of a royal barge designed as a hintha bird and taken in a procession throughout Inle Lake.