Institut National des Sciences de Gestion (National Institute of Management Sciences) is a  higher education institution located in the medium-sized city of Libreville (population range of 500,000-1,000,000 inhabitants), Estuaire.  Officially accredited and/or recognized by the Ministère de lEnseignement Supérieur et de la Recherche Scientifique, Gabon (Ministry of Higher Education and Scientific Research, Gabon), Institut National des Sciences de Gestion (INSG) is a coeducational higher education institution. Institut National des Sciences de Gestion (INSG) offers courses and programs leading to officially recognized higher education degrees in several areas of study. See the EduListing degree levels and areas of study matrix below for further details. 