Batu Bara Regency is one of the regencies in North Sumatra Province. The local Parliament approved the Draft of Law on its formation on December 8, 2006. This district was inaugurated on June 15, 2007, at the same time as the inauguration the Regent of Batu Bara, Drs. H. Sofyan Nasution, S.H. This district is the result of the division of Asahan Regency and has its capital in Limapuluh sub-district. Batu Bara Regency is one of the 16 newly regencies and cities that were designed in 2006.