The Ministry of Interior (MoI; Arabic: وزارة الداخلية) is one of the governmental bodies of Saudi Arabia responsible for national security, naturalization, immigration, and customs in Saudi Arabia. It was founded in 1926 by King Abdulaziz, but the organization was reformed in 1951 when the combined ministerial body covering financial and interior affairs were separated. The current minister of interior is Abdulaziz bin Saud Al Saud, who has been in office since 21 June 2017.