West Africa Sierra Leone http://purl.bioontology.org/ontology/MESH/D012807 http://purl.bioontology.org/ontology/SNOMEDCT/223568006 http://purl.obolibrary.org/obo/GAZ_00000914 http://purl.obolibrary.org/obo/NCIT_C17130 https://en.wikipedia.org/wiki/Category:Sierra_Leone https://en.wikipedia.org/wiki/Sierra_Leone https://www.wikidata.org/wiki/Q1044 A country in West Africa. It is bordered by Guinea in the north and east, Liberia in the southeast, and the Atlantic Ocean in the southwest and west. The Republic of Sierra Leone is composed of 3 provinces and one area called the Western Area; the provinces are further divided into 12 districts. The Western Area is also divided into 2 districts. Republic of Sierra Leone Sierra Leonean country