The headquarters of the Mano River Union is in

The headquarters of the Mano River Union is located in Freetown, Sierra Leone. The Mano River Union is a regional organization that was established in 1973 by the leaders of Liberia and Sierra Leone to promote economic cooperation and integration among their countries. Guinea later joined the organization in 1980. The organization is named after the Mano River, which flows through the three member countries. The Mano River Union has a number of objectives, including promoting economic development, improving infrastructure, and enhancing regional security. The headquarters of the Mano River Union is located in Freetown, Sierra Leone's capital city. This is where the organization's main administrative functions are carried out, and where member countries meet to discuss and plan their activities.