 Neighboring districts are (from the south clockwise) Wan Yai, Mueang Mukdahan, Dong Luang of Mukdahan Province, Na Kae, Renu Nakhon, and Mueang Nakhon Phanom of Nakhon Phanom Province.To the east across the Mekong River is the Laotian province Khammouan.Elevation between 142 and 252 meters (830 feet).