Estonia is in Northern Europe, bordering the Baltic Sea.
The Baltic states , also known as the Baltic countries , Baltic republics , Baltic nations , or simply , the Baltics ( Balti riigid , Baltimaad , Baltijas valstis , Baltijos valstybės ) , are the three countries in northern Europe on the eastern coast of the Baltic Sea : Estonia , Latvia and Lithuania . Estonia ( [ ɛˈstoʊniə ] Eesti [ ˈeːsti ] ) , officially the Republic of Estonia ( [ Eesti Vabariik , links = no ] ) , is a country in the Baltic region of Northern Europe . It is bordered to the north by the Gulf of Finland , to the west by the Baltic Sea , to the south by Latvia ( 343 km ) , and to the east by Lake Peipus and Russia ( 338.6 km ) .