The term 'Capital Baltic' refers to the four major cities located in the Baltic region of Europe. These cities are Riga, the capital of Latvia (4 letters); Estonia's capital, Tallinn (7 letters); Kiel, the capital of Schleswig-Holstein in Germany (4 letters); and Oder, the capital of Brandenburg in Germany (4 letters). Lastly, LETT, the capital of Lithuania (4 letters) is also included in this term. All five of these cities are situated on the Baltic Sea and are considered to be the most important cities in the region.