The Republic of Liberia is a small country on the coast of West Africa. It has common borders with Sierra Leone, Guinea, and Ivory Coast. The country has a size of about 520 kilometres (320 mi) by 270 kilometres (170 mi). As of 2021, there are about 5,000,000 people in Liberia. The capital city of Liberia is Monrovia. For ships, Liberia is a flag of convenience.