The Åland Islands are an archipelago located in the Baltic Sea of Finland. The chain comprises 300 habitable islands, 80 of which are inhabited, and roughly 6,200 skerries and desolate rocks. The province is autonomous, demilitarized and the smallest region of Finland, constituting 0.51% of its land area — 610 square miles (1,580 square km) — and 0.54% of its population, with nearly 30,000 residents.