The minor district (king amphoe) Moei Wadi was established on 1 April 1978, when the two tambons, Moei Wadi and Chumphon, were split off from Phon Thong district. It was upgraded to a full district on 3 November 1993. ==Administration==
Administration
The district is divided into four sub-districts (tambons), which are further subdivided into 43 villages (mubans). There are no municipal (thesabans); there are four tambon administrative organizations (TAO). ==References==