Estonia is a small European Union nation located in Northern Europe on the Baltic Sea across from Finland and bordered by Lativa to the south and Russia to the east. With a population of 1.3 million it is among the least populated EU countries. The country was occupied for much of the 20th century by Russia as part of the USSR. Today it is known for its high income advanced economy and as a member of the Eurozone, the OECD, the Schengen Area as well as NATO.