Economy of Bulgaria (574 euro) (December, 2017). The national currency is the lev (plural leva), pegged to the euro at a rate of 1.95583 leva for 1 euro. The lev is the strongest and most stable currency in Eastern Europe. The strongest sectors in the economy are energy, mining, metallurgy, machine building, agriculture and tourism. Primary industrial exports are clothing, iron and steel, machinery and refined fuels. The trading partners with largest contribution to the import/export are Germany, Italy, Romania, Turkey, Greece, Russia, France, Spain, Poland, Netherlands, China, Hungary and Belgium. Sofia is the capital and economic heart of Bulgaria and home to
Volga Bulgaria primarily masters and craftsmen, were forcibly moved to Sarai and other southern cities of the Golden Horde. Volga Bulgaria remained a center of agriculture and handicraft. Volga Bulgaria Volga Bulgaria (, ) or Volga–Kama Bulghar, was a historic Bulgar state that existed between the 7th and 13th centuries around the confluence of the Volga and Kama River, in what is now European Russia. Information from first-hand sources on Volga Bulgaria is rather sparse. As no authentic Bulgar records have survived, most of our information comes from contemporary Arabic, Persian, Indian or Russian sources. Some information is provided by excavations. It