National unit. The full name of the National Security Office of Inner Mongolia Autonomous Region is the National Security Committee of the Inner Mongolia Autonomous Region Committee of the Communist Party of China. The address of the National Security Department of Inner Mongolia Autonomous Region is 1 Chilechuan Street. The national security department is the national work department of the people's government and is in charge of national security work. The National Security Department is the abbreviation of the Provincial National Security Department. The superior is the Ministry of National Security, and the subordinate is the local national security bureau.