Sierra Leone, ( , also UK: , US: ; Krio: Salone) officially the Republic of Sierra Leone, is a country on the southwest coast of West Africa. It is bordered to the southeast by Liberia and by Guinea to the north. Its land area is 71,740 km2 (27,699 sq mi). It has a tropical climate and environments ranging from savannas to rainforests. As of the 2015 census, Sierra Leone had a population of 7,092,113. Freetown is both its capital and its largest city. The country is divided into five administrative regions, which are further subdivided into 16 districts. Sierra Leone is a presidential republic, with a unicameral parliament and a directly elected president. It is a secular state. Its constitution provides for the separation of state and religion...