Aaland islands vs Aland islands

Aaland islands and Aland islands both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aaland islands	Yes	No	No	No
Aland islands	Yes	No	No	No

As nouns, Aaland islands and Aland islands are synonyms defined as:

Aaland islands and Aland islands: an archipelago of some 6,000 islands in the Gulf of Bothnia under Finnish control

Other synonyms of Aaland islands include Ahvenanmaa.

Aaland islands (noun)	Aland islands (noun)
an archipelago of some 6,000 islands in the Gulf of Bothnia under Finnish control	an archipelago of some 6,000 islands in the Gulf of Bothnia under Finnish control