Three countries are landlocked by a single country: Lesotho, a state surrounded by South Africa. San Marino, a state surrounded by Italy. Vatican City, a state surrounded by Rome, and thus surrounded by Italy. Countries that are landlocked by a single country are known as enclave countries. While Vatican City has an area of 0.44 square kilometres, San Marino has an area of 61 square kilometres and Lesotho 30,000 square kilometres.
- By Worldatlas.com