The island of Great Britain is shared by England, Scotland and Wales.
Scotland and Wales.
Two countries that share an island
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.
Jamaica is an island and so it does not have borders with any other countries.
Almost all, only island nations don't have bordering countries.
Trinidad is an island, so it doesn't share a border with any other countries.
Scotland to the North and Wales to the West.
Hispanola is a large island of the Caribbean. The countries that share the island are Haiti which is located on the western portion of the island and Dominican Republic.
Great Britain is an island, consisting of England, Scotland and Wales. Northern Ireland is on a separate island. It is on the island of Ireland, along with the Republic of Ireland.
Indonesia, Malaysia, and Brunei share the island of Borneo.