The countries having a border with Baltic Sea are Denmark, Estonia, Latvia, Finland, Germany, Lithuania, Poland, Russia, and Sweden.
Scandinavian countries like Denmark, Sweden, Norway and Finland have a border with Baltic Sea. Other countries are Poland, Russia, Germany, Iceland, Estonia, Latvia and Lithuania.
Most of the Scandinavian countries have a border with Baltic Sea. Germany and Poland has a border as well.
These countries are either Scandinavian countries or old Soviet Union countries, except Germany and Poland.
As fas as I know, most of the Scandinavian countries and old Eastern bloc countries are bordering to Baltic Sea.
When the countries neighboring the Baltic Sea are mentioned, Northern European countries such as Norway, Sweden, Denmark and Finland come to mind.
There are 11 countries bordering the Baltic Sea. The most important borders are those with Sweden, Norway and Denmark. Countries such as Lithuania, Latvia and Poland have borders with the Baltic Sea.