Belarus
Lithuania is country near the Baltic sea. Its neighbours are: Latvia, Poland, Russia and Belarus.
Belarus is not a Baltic state but Ireland is a member of the EU.
Baltic.
Baltic.
Lithuania is bordered by Latvia, Belarus, Poland, Russia (Kaliningrad oblast) and the Baltic Sea.
Belarus to the Southeast, Baltic-Russia to the Southwest, Latvia to the North, Poland to the South and the Baltic Sea to the West.Latvia, Belarus, Poland and Russia (Kaliningrad Oblast).
Belarus is a country in Europe.
* Baltic Sea * Germany * Czech Republic * Slovakia * Ukraine * Belarus * Lithuania * Russia
The body of water would be the Baltic Sea. Three bordering countries could be e.g. Germany, Slovakia and Belarus. There are 7 countries bordering Poland in total. In addition to the ones I mentioned, it's also Czech Republic, Ukraine, Russia and Lithuania.
The Baltic is a sea and not a country
There are no ports in Belarus because Belarus is a landlocked country.