Mandalgovi (Mongolian: Мандалговь; ᠮᠠᠨᠳᠠᠯᠭᠣᠪᠢ; also Mandalgov' or Mandalgobi) is the capital of the Dundgovi Province of Mongolia, about 300 km south of Ulaanbaatar on the border of the Gobi Desert. It has 10,506 inhabitants (2005), 10,299 (2007). The city administrative unit's official name is Saintsagaan sum .