Municipalities of Åland

The autonomous region of Åland is divided into 16 municipalities (kommuner), grouped into three sub-regions: Mariehamn, the Countryside, and the Archipelago.

Municipality	Code	Sub-region	Population	Land area		Population density
Mariehamn	MH	Mariehamn	11,861	11.81 km²	4.6 sq mi	1,004/km²	2,601/sq mi
Jomala	JM	Countryside	5,780	142.73 km²	55.1 sq mi	40/km²	105/sq mi
Finström	FN	Countryside	2,646	123.43 km²	47.7 sq mi	21/km²	56/sq mi
Lemland	LE	Countryside	2,133	113.21 km²	43.7 sq mi	19/km²	49/sq mi
Saltvik	SV	Countryside	1,770	152.25 km²	58.8 sq mi	12/km²	30/sq mi
Hammarland	HM	Countryside	1,631	138.55 km²	53.5 sq mi	12/km²	30/sq mi
Sund	SD	Countryside	1,008	108.21 km²	41.8 sq mi	9/km²	24/sq mi
Eckerö	EC	Countryside	958	107.72 km²	41.6 sq mi	9/km²	23/sq mi
Föglö	FG	Archipelago	503	134.77 km²	52.0 sq mi	4/km²	10/sq mi
Brändö	BR	Archipelago	427	108.18 km²	41.8 sq mi	4/km²	10/sq mi
Geta	GT	Countryside	523	84.55 km²	32.6 sq mi	6/km²	16/sq mi
Vårdö	VR	Archipelago	468	101.75 km²	39.3 sq mi	5/km²	12/sq mi
Lumparland	LU	Countryside	367	36.35 km²	14.0 sq mi	10/km²	26/sq mi
Kumlinge	KM	Archipelago	272	99.06 km²	38.2 sq mi	3/km²	7/sq mi
Kökar	KK	Archipelago	224	63.58 km²	24.5 sq mi	4/km²	9/sq mi
Sottunga	ST	Archipelago	106	28.03 km²	10.8 sq mi	4/km²	10/sq mi

Population data as of: March 31, 2025

Area data as of: January 1, 2018