The Baltic Sea is a mediterranean sea located in Northern Europe. “Its location is from 53°N to 66°N latitude and from 20°E to 26°E longitude. The Baltic sea is about 1600 km long, an average of 193 km wide, and an average of 55 m deep. The maximum depth is 459 m, on the Swedish side of the center. The surface area is about 377,000 km² and the volume is about 21,000 cubic km. The periphery amounts to about 8000= km of coastline. These figures are somewhat variable because a number of different estimates have been made” (The Baltic Sea, accessed November 2, 2011).
“The Baltic Sea is a semi-enclosed sea of about 415 000 km2. Proceeding from the northern end, it includes the Bothnian Bay and the Bothnian Sea. At the southern end of the Bothnian Sea, the island of Aland divides the Aland Sea from the Archipelago Sea. The Gulf of Finland is the eastern arm of the Baltic Sea. …