Strictly speaking there was never a union between Scotland and Ireland. When the United Kingdom was formed in 1801 Ireland united with Great Britain which was a union of Scotland and England.
Scotland, Ireland Wales.
The UK is comprised of England, Scotland, Wales and Northern Ireland.
Scotland along with England, Wales and Northern Ireland make up the United Kingdom.
England Scotland wales northern Ireland and republic of Ireland
England, Scotland, and Ireland
Great Britain is composed of England, Wales and Scotland. The UK is Britain + Northern Ireland. To join the EU as Great Britain would be to exclude Northern Ireland from the EU.
Presumably Ireland or Scotland.
The North Channel separates Scotland and Northern Ireland.
England, Scotland, Wales and Northern Ireland
Ireland and Scotland are in the same time zone.
Ireland is an island. Scotland borders England to the North
scotland