Canal to the North Sea.
The island of Bornholm is in this body of water, which is connected by the Kiel ("KEEL") Canal to the North Sea. One arm of this sea is the Gulf of Bothnia, and the large island of Saaremaa ("SAH-reh- MAH") guards its Gulf of Riga ("REE-guh"). Five national capitals lie on this body of water, including Tallinn, the capital of Estonia, and Stockholm. For 10 points, name this sea south of Scandinavia.
The island of Bornholm is in this body of water, which is connected by the Kiel ("KEEL")
{Baltic} Sea