Strait to connect this sea to the North Sea.
In 2012 an unknown disk-shaped object was found on the floor of this sea. Arms of this sea include the Gulf of Riga and Gulf of Bothnia. The Kiel (KEEL) Canal bypasses Kattegat (KAH-teh-gaht) Bay and Skagerrak (SKAH-geh-rahk) Strait to connect this sea to the North Sea. Germany and Poland are on its southern shore. For 10 points, name this sea bordered by Estonia, Latvia, and Lithuania, its namesake "States," as well as Finland and Sweden.
In 2012 an unknown disk-shaped object was found on the floor of this sea.
Baltic Sea