Casting a mental eye around the globe, I come up with North America, Australia, and Antarctica (which has no countries at all, only territorial claims).
Australia and South America are the only continents without landlocked countries.
There are no Mediterranean landlocked countries. The countries known as Mediterranean countries all touch the Mediterranean Sea, so none of them are landlocked.
Liechtenstein is a landlocked country surrounded by other landlocked countries: Switzerland and Austria. Similarly, San Marino is also a landlocked country surrounded by other landlocked countries: Italy.
The two landlocked countries in South America are Bolivia and Paraguay. There are many landlocked countries in Africa, Asia, and Europe.
Lichtenstein and Uzbekistan are the only two landlocked countries.
Australia and South America are the only continents without landlocked countries.
No continent is completely surrounded by land, so there are technically no landlocked continents.
Both are landlocked countries in their continents, each with a river as southern border.
Bolivia - South America Central African Republic - Africa Liechtenstein - Europe
There are no Mediterranean landlocked countries. The countries known as Mediterranean countries all touch the Mediterranean Sea, so none of them are landlocked.
Both countries are landlocked and are south of the equator in their respective continents.
Liechtenstein is a landlocked country surrounded by other landlocked countries: Switzerland and Austria. Similarly, San Marino is also a landlocked country surrounded by other landlocked countries: Italy.
The two landlocked countries in South America are Bolivia and Paraguay. There are many landlocked countries in Africa, Asia, and Europe.
Lichtenstein and Uzbekistan are the only two landlocked countries.
Africa contains the largest number of landlocked countries, with a total of 16 landlocked countries.
There are two landlocked countries in Asia: Laos and Mongolia.
Antarctica contains zero countries. North America has countries, but none of them are landlocked.