Sunchhahari is a Rural municipality located within the Rolpa District of the Lumbini Province of Nepal.

The rural municipality spans 277.62 square kilometres (107.19 sq mi) of area, with a total population of 16,034 according to a 2011 Nepal census.

[3][4] The previous Jaimakasala, Jailwang, Gam, Siuri, Seram and portion of Phagam VDCs were merged to form Sunchhahari Rural Municipality.

Sunchhahari is divided into 7 wards, with Jaimakasala declared the administrative center of the rural municipality.

In terms of ethnicity/caste, 72.3% were Magar, 15.1% Kami, 7.2% Chhetri, 2.7% Damai/Dholi, 1.4% other Dalit, 0.5% Gurung, 0.3% Hill Brahmin, 0.2% Sarki and 0.3% others.