Maryland County is in the southeastern portion of Liberia. It has two districts with Harper serves as the capital with the area of the county measuring 887 sq. miles. Named after the State of Maryland in the United States, it was an independent country as the Republic of Maryland from 1854 until it joined Liberia in 1857. The most populous city in the county is Pleebo, with 22,963 residents, the county is bordered by Grand Kru County to the west and River Gee County to the north. The eastern part of Maryland borders the nation of Ivory Coast (Côte d'Ivoire), separated by the Cavalla River. The Maryland Society had played a pivotal role on the formation of the larger American Colonization Society years before. Following a referendum in 1853, the colony declared its independence from the Colonization Society across the Atlantic Ocean and formed the Republic of Maryland. It held the land along the south coast between the Grand Cess and San Pedro Rivers.