Lithuania is one of the three Baltic states, along with Latvia, to Lithuania’s north, and Estonia, to the north of Latvia. Lithuania borders Russia and Poland to the south and Belarus to the east. It has a narrow coastline on the Baltic Sea to the west. Lithuania declared its independence from the Soviet Union in 1990, the first Soviet republic to do so, although its status was unclear until the Soviet Union dissolved in 1991. It joined the European Union in 2004 and has used the euro as its currency since 2015. Lithuania has a diverse economy. Food processing, plastics, chemical products (particularly fertilizers), and furniture are all major industries. It also has a vibrant financial sector, with many international banks doing business in the country. IT and communications technologies are growing industries.