What is landlocked Colombia or Bolivia?

Colombia and Bolivia are both landlocked countries. Colombia is located in the extreme northwest corner of South America and borders the Caribbean Sea to the north and Venezuela to the east and south. Colombia also borders Brazil to the southeast, Peru to the south, and Ecuador to the southwest. Bolivia is located in the central part of South America and is bordered by Brazil to the north and east, Paraguay to the south, Argentina to the southwest, and Chile to the west. Bolivia is the only South American country that does not have a coastline.