Luxembourg and many others in Europe.
All countries share borders, although these may not always be land borders. Australia, for example, shares no land borders with any other country, but it does have maritime borders with other countries.
Countries that share borders with other countries are referred to as "landlocked countries." Examples include Germany, which shares borders with nine countries in Europe, and Brazil, which shares borders with ten countries in South America.
Only England
Jamaica is an island and so it does not have borders with any other countries.
China and Russia share borders with Korea.
Spain has borders with Portugal, Andorra, Gibraltar (U.K.) and France.
China and Russia. They both share borders with 14 countries, you then also have places like Brazil, China, France, Germany etc. who are the next largest bordering countries
I guess you mean if both countries do share borders with other nations. In that case, they do: the US also borders Canada and Mexico also borders Guatemala and Belize.
The Philippines does not share any land borders with other countries. It is surrounded by the sea and shares maritime borders with countries such as Taiwan to the north, Indonesia to the south, and Malaysia to the southwest.
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Some island countries have no land borders with other countries, such as Australia, Iceland, and Cuba. They may still have sea borders, areas of coastal waters that they claim.
There are two landlocked countries in Africa that share borders with only one other country. They are Lesotho, which is completely surrounded by South Africa, and Eswatini (formerly Swaziland), which is bordered by South Africa and Mozambique.