Countries Bordering Only One Other Country 2024

Several countries worldwide share borders with only one other nation, often leading to unique diplomatic relationships:

1. Vatican City: The world's smallest country, located within Rome, Italy, with a population of around 800.
2. San Marino: Also landlocked within Italy, situated on Mount Titano in Central Italy.

3. Lesotho: A sovereign nation completely surrounded by South Africa, sharing a 1,115 km long border.
4. Canada: Borders only the United States, including the state of Alaska and 12 other U.S. states.
5. Portugal: Shares a border exclusively with Spain, approximately 764 miles long, though the exact length is debated.

6. The United Kingdom and Ireland: Ireland is the only country the UK shares a land border with, though Ireland is a sovereign nation and not a UK territory.
7. Korean Peninsula: North and South Korea share a border, separated by the 148-mile-long Demilitarized Zone (DMZ).
8. Qatar: Borders only Saudi Arabia, about 45 miles long. It also has maritime borders with Bahrain, Iran, and the UAE.

9. Denmark: Germany is its only land neighbor, with maritime borders shared with Sweden, Norway, the UK, and Greenland.
10. Dominican Republic: Located on Hispaniola in the Caribbean, it shares a land border with Haiti.
11. Papua New Guinea and Indonesia: Share a 512-mile-long border.

12. The Gambia: Africa's smallest nation, surrounded by Senegal on all sides.

These countries' unique geographic situations influence their diplomatic, economic, and cultural interactions with their sole neighboring countries.