I've listed the five countries that touch only one other country. I have not considered water (i.e. Irish Sea) to be a border.
[1] = Unless you count the Øresund Bridge between Denmark and Sweden as a second border.
[2] = Unless you count the Channel Tunnel between the United Kingdom and France as a second border.
Canada
Haiti
Ireland
United Kingdom
Portugal
Monaco
Vatican City
San Marino
Timor-Leste
Brunei
Qatar
Lesotho
The Gambia
The most populous nation in the Western Hemisphere is the United States, and the two countries bordering it are Canada to the north and Mexico to the south.
The most populous nation in the western hemisphere is the United States. It is bordered by Canada to the north and Mexico to the south.
No Eastern European countries were members of the European Union in 1993. The EU did not expand to the east until 2004 when nine Eastern European countries (with one Western European nation) joined the EU.
It gave us a European sanction to conquer lands held by the aboriginal peoples .
Catherine the Great was an Enlightened monarch, and attempted to make Russia a Western European nation.
Colorado does not share a border with any foreign nation.
Germany touches: Denmark, Belarous, Netherlands, Luxembourg,' France, Switzerland, Austria, Czech Republic, Poland.
Countries in Africa which border the Mediterranean are: Egypt, Libya, Tunisia, Algeria & Morocco. Morocco also has an Atlantic coastline. There are also European & Asian countries which have Mediterranean coasts.
Mauritania, has the longest border with Mali located in Western Africa.
None, Japan is an island nation.
Germany is the European nation that shares its outer borders with nine other countries. These countries include Sweden, Luxembourg, France, the Czech Republic, Switzerland, Austria, Denmark, and the Netherlands.
Canada and Mexico