The area of the district was originally Ban Na Duang of Udon Thani Province, a village named after the hunter Duang. He led people to establish a new village there in 1881. Later the village was assigned to be part of tambon Thung Pho, Mueang Loei district in 1945 and tambon Na Din Dam in 1967. In 1976 it was upgraded to a tambon. Together with three further tambon it formed the minor district (King Amphoe) on January 17 1977.1 It was upgraded to a full district on July 19 1991.2
The district is subdivided into 4 subdistricts (tambon), which are further subdivided into 41 villages (muban). Na Duang is a township (thesaban tambon) which covers parts of the tambon Na Duang. There are further 4 Tambon administrative organizations (TAO).