Ahvenanmaa vs Aland islands

Ahvenanmaa and Aland islands both are nouns.

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

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

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

Other synonyms of Ahvenanmaa include Aaland islands.

Ahvenanmaa (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