Benchalak District  Benchalak (, ) is a district ("amphoe") of Sisaket Province, northeastern Thailand. The minor district ("king amphoe") was created on 31 May 1993, when five "tambons" were split off from Kantharalak District. It was upgraded to a full district on 5 December 1996. Neighboring districts are (from the south clockwise): Kantharalak, Si Rattana, Nam Kliang, and Non Khun of Sisaket Province; Det Udom and Thung Si Udom of Ubon Ratchathani Province. The district is divided into five sub-districts ("tambons"), which are further subdivided into 64 villages ("mubans"). There are no municipal ("thesaban") areas. There are five tambon administrative organizations (TAO).