Sibiti is a town and a commune located in the Lékoumou department of the Republic of the Congo 300 km west of Brazzaville. It is also the depa…Sibiti is a town and a commune located in the Lékoumou department of the Republic of the Congo 300 km west of Brazzaville. It is also the department's capital and Sibiti District seat. The town is served by Sibiti Airport.