Western Isles vs Scotland

Western Isles and Scotland both are nouns.

Word	Noun	Adjective	Verb	Adverb
Western Isles	Yes	No	No	No
Scotland	Yes	No	No	No

Western Isles (noun)	Scotland (noun)
a group of more than 500 islands off the western coast of Scotland	one of the four countries that make up the United Kingdom of Great Britain and Northern Ireland; located on the northern part of the island of Great Britain; famous for bagpipes and plaids and kilts