Yemen shares its borders with Saudi Arabia and Oman. Its coastline lies along the Red Sea and the Gulf of Aden.
The Caucasus republics include Armenia, Azerbaijan, and Georgia. These countries are located in the Caucasus region, which is situated at the border of Eastern Europe and Western Asia.
Argentina and Paraguay are found along Brazil's southwestern border.
Some countries that have mountains along their borders include the United States (Rocky Mountains along the border with Canada), Chile (Andes Mountains along the border with Argentina), and Nepal (Himalayas along the border with China).
Rwanda
Spain shares land borders with Portugal along the west and with France at the north. Along the shared border with France, Spain also touches a small country called Andorra. Spain also has a border with the UK at the UK territory of Gibraltar. Morocco in Africa also surrounds the Spanish Autonomous Cites of Melilla and Ceuta.
Turkey and Greece
Chile
Assam shares its border with neibering state of Nagaland, Meghalaya, Manipur, Mizuram, Tripura and Arunachal pradesh along with foreign nation Bhutan, Bangladesh.
Morocco, Western Sahara, Mauritania and Mali are along the western border of Algeria.
The countries of Jordan and the West Bank border Israel's eastern border.
The southern border of the US is primarily located along the countries of Mexico.