World – Landlocked countries
Afghanistan, Austria, Belarus, Bolivia, Botswana, Burundi, Central African Republic, Chad, Czechia, enclaves, Ethiopia, Hungary, Kazakhstan, landlocked country, Malawi, Mali, Moldova, Mongolia, Nepal, Niger, Paraguay, Rwanda, San Marino, sea, South Sudan, Switzerland, Tajikistan, Uganda, Vatican, Zambia, Zimbabwe 
Source: Wikipedia. In red, countries surrounded by landlocked countries themselves
See also