The Baltic Sea Gulf is a body of water located in Northern Europe, bordered by the countries of Poland, Lithuania, Latvia, Estonia, Finland, Sweden, and Russia. The two major cities located on the Baltic Sea Gulf are Gdansk, Poland (6 letters) and Riga, Latvia (4 letters). Gdansk is a port city located on the southern coast of the Baltic Sea Gulf, while Riga is the capital of Latvia and is located on the northern coast of the Baltic Sea Gulf.