The lands of Turkey are located at a point where the three continents making up the old world. Asia, Africa and Europe are closest to each other and straddle the point where Europe and Asia meet. Because of its geographical location, the mainland of Anatolia has always found favour throughout history and is the birthplace of many great civilizations. It has also been prominent as a center of commerce because of its landconnections to three continents and the sea surrounding it on three sides.
Turkey's developing economy is part private and part publicly owned; the industrial sector now predominate over agriculture. The economy underwent a sustained expansion during the second half of the 20th century. It has become increasingly integrated into the West European economic arena. It is a member of OECD and has established a Customs Union with EU. It is also the member of some international, regional and sub-regional economic cooperation schemes such as Black Sea Economic Cooperation (BSEC),Economic Cooperation Organization (ECO), Middle East/North Africa Economic Conference (MENA),Southeastern Europe Cooperation Initiative (SECI), World Trade Organization (WTO), International Monetary Fund (IMF), World Bank Group, UNCTAD, Economic Commission for Europe and the Economic and Social Commission for Asia and the Pacific (ESCAP). Turkey is also an associate member of the European Union (EU) and the Western European Union (WEU). Agriculture accounts for about one-sixth of the gross domestic product (GDP) and employs about two-fifths of the workforce. Manufacturing employs about one-seventh of the workforce and accounts for one-fifth of the GDP. Locally mined iron ore, coal, lignite, bauxite and copper provide raw materials for the country's key manufacturing industries. It also has huge deposits of chromites. Turkey is the Middle East's leading steel producer.