FEMERN, an island in the Baltic Sea, a part of the kingdom of Denmark, the centre of which is in latitude 54. 29. north, and longitude 10. 24. east. The extent of it is fifty-two square miles, or 33,280 acres. It contains a city and market-town, and forty villages, with 7626 inhabitants. The soil is productive, and the sea around it abounds with fish, the taking of which affords occupation to many of the inhabitants. The capital is Burg.