Föglö is a municipality of Åland, an autonomous territory of Finland.
The municipality has a population of 608 and covers an area of 131.71 km² of which 0.23 km² is water. The population density is 4.6 inhabitants per km².
The municipality is unilingually Swedish, yet in the last decade there has been some immigration from Estonia and Latvia due to the need of employees at the fish farms, the main industry in Föglö.
Alfred