Poland - is a country in Eastern Europe. It is located mostly in the European Plain , as well as in the north- eastern part of the mountainous regions of Central Europe. It is washed by the Baltic Sea from the north .
They are two different geographical regions, one near the Baltic Sea in the northeastern part of Europe, the other in the southeastern part.
Europe.
The Baltic Sea.
If you are speaking about Europe, it would be the "Baltic," sea.
St. Petersburg is in Europe. It is located in the northwestern part of Russia on the Baltic Sea.
Continent of Europe
Northern Europe
The Baltic Sea.
Europe
Europe.
The Baltic Sea joins the North Sea which joints the Atlantic Ocean