Na Khun YaiNa Khun Yai is a subdistrict in Nakhon Phanom Province, administered by Na Wa District in northeastern Thailand.The village is about 900 km north of Bangkok. Na Khun Yai is underdeveloped, with agriculture as the main economic activity.GeographyNeighboring subdistricts are Phon Suang to the north and east and Na Wa to the south and west.HistoryThe subdistrict was created on 1 May 1978, when five villages were split off from Na Wa.AdministrationThe tambon is administered by a tambon administrative organization, which was created on 13 February 1997. It is subdivided into seven villages.