The National Library in Managua is the largest library in the country, holding a collection of 120,000 volumes. The National Autonomous University of Nicaragua in León holds the largest university collection with 36,700 volumes. In 1990, Nicaragua had 13 branch public libraries holding a total of 187,000 volumes. The largest branch is in León, and holds 32,000 volumes. There is a Central American Institute in Managua with 39,000 volumes focusing on the social and economic conditions of the region. The National Museum, founded in 1896 and featuring archaeology and history, is in Managua. There is an archeological museum in Granada and three provincial historical and archeological museums.