Seychelles islands vs Seychelles

Seychelles islands and Seychelles both are nouns.

Word	Noun	Adjective	Verb	Adverb
Seychelles islands	Yes	No	No	No
Seychelles	Yes	No	No	No

As nouns, Seychelles islands and Seychelles are synonyms defined as:

Seychelles islands and Seychelles: a group of about 90 islands in the western Indian Ocean to the north of Madagascar

Seychelles islands (noun)	Seychelles (noun)
a group of about 90 islands in the western Indian Ocean to the north of Madagascar	a republic on the Seychelles islands; achieved independence from the United Kingdom in 1976
	a group of about 90 islands in the western Indian Ocean to the north of Madagascar