Sinja Rural Municipality (सिँजा गाउँपालिका) was established in 2017 (2073 BS) as a local government of Nepal. The headquarters of the Sinja Gaunpalika is located in Narakot, Jumla district, Karnali Province of Nepal. Rural Municipality is known as Gaunpalika in the Nepali Language. The total area of the Sinja Rural Municipality is 153.29 square kilometers (59.19 sq mi) and the total population of the rural municipality according to 2011 (2068 BS) Nepal census is 12,395 individual. The density of this rural municipality is 81/km2 (210/sq mi). This Rural municipality is divided into 6 wards.
Sanigaun, Dhapa, and Narakot Village development committees (VDCs) were incorporated to form Sinja Gaunpalika, This rural municipality came into existence on 10 March 2017 (Falgun 27, 2073 BS), fulfilling the requirement of the Constitution of Nepal 2015 (2072 BS). Ministry of Federal Affairs and General Administration replaced all old VDCs and Municipalities into 753 new local level bodies.