Headquarters 81 Division Nigerian Army is located in Lagos. It was formed during the colonial era. The Division which replaced the Lagos Garrison Command (LGC) came into being in 2000. It is charged with the responsibility of securing its Area of Responsibility (AOR) covering Lagos and Ogun States of Nigeria which are economic nerve centres of the country and also ensuring that the borders located in its AOR are secured. The division is a mechanized infantry with affiliated combat support and combat service support units.