Only England
Britain is an island so has no borders with other countries. However, Scotland and England share a common border with Scotland being north of England.
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.
Jamaica is an island and so it does not have borders with any other countries.
If you mean England, then it borders Wales and Scotland. If you mean Great Britain and Northern Ireland, then it borders the Republic of Ireland/Eire. Both border France via the English Channel.
China and Russia share borders with Korea.
Scotland and Wales
Spain has borders with Portugal, Andorra, Gibraltar (U.K.) and France.
Luxembourg and many others in Europe.
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.