Estonia–Latvia relations members of the Baltic Free Trade Area from 1994 until 2004 after which they joined the European Union. In 2006, Latvia accounted for 3% of Estonian exports. Latvia accounted for 5% of Estonian imports. There are 15 bilateral agreements between the 2 countries many of them signed trilaterally with Lithuania. The three Baltic countries signed a trilateral defence agreement on 12 February 1995. Estonia–Latvia relations Estonia and Latvia, the two northernmost Baltic states, share 343 km of common borders. Both states share a long common history, having since the 13th century been ruled by the Livonian Order, Poland-Lithuania, Sweden and
Latvia groves and wooded clusters, which afford a habitat for numerous plants and animals. Latvia has hundreds of kilometres of undeveloped seashore—lined by pine forests, dunes, and continuous white sand beaches. Latvia has the 5th highest proportion of land covered by forests in the European Union, after Sweden, Finland, Estonia and Slovenia. Forests account for or 56% of the total land area. Latvia has over 12,500 rivers, which stretch for . Major rivers include the Daugava River, Lielupe, Gauja, Venta, and Salaca, the largest spawning ground for salmon in the eastern Baltics. There are 2,256 lakes that are bigger than ,