The Banggai Regency is a regency located at the eastern end of Central Sulawesi Province of Indonesia. It makes up a re-established regency, created on 4 October 1999 by splitting the existing Banggai Regency into this smaller Banggai Regency situated on the mainland of Sulawesi and a new Banggai Islands Regency comprising the offshore islands to the southeast which are separated from mainland Sulawesi by the Peleng Straits.