Which one of the following countries is land locked?

1 A land locked country is one that does not have direct access to the sea or ocean. 2 Bolivia: Located in South America, Bolivia is land locked. It lost its coastline to Chile in the War of the Pacific (1879–1884). 3 Peru: Located in South America, Peru has a long coastline along the Pacific Ocean. 4 Suriname: Located in South America, Suriname has a coastline along the Atlantic Ocean. 5 Uruguay: Located in South America, Uruguay has a coastline along the Atlantic Ocean. 6 Therefore, among the options, Bolivia is the land locked country.