Mongolia, Uganda, Mali, Laos, and BOLIVIA are all countries that are landlocked, meaning they are surrounded by other countries and do not have access to a coastline. Mongolia is an East Asian country with 8 letters, Uganda is a country in East Africa with 6 letters, Mali is a West African country with 4 letters, Laos is a Southeast Asian country with 4 letters, and BOLIVIA is a South American country with 7 letters.