Turkey (Turkish: Türkiye), known officially as the Republic of Turkey (), is a Eurasian country located in Western Asia (mostly in the Anatolian peninsula) and in East Thrace in Southeastern Europe. Turkey is bordered by eight countries: Bulgaria to the northwest; Greece to the west; Georgia to the northeast; Armenia, Iran and the Azerbaijani exclave of Nakhchivan to the east; and Iraq and Syria to the southeast. The Mediterranean Sea and Cyprus are to the south; the Aegean Sea is to the west; and the Black Sea is to the north. The Sea of Marmara, the Bosphorus and the Dardanelles (which together form the Turkish Straits) demarcate the boundary between East Thrace and Anatolia; they also separate Europe and Asia.
Turkey is one of the six independent Turkic states. The country's official language is Turkish, which is spoken by approximately 85% of the population as mother tongue. The most numerous ethnic group are Turks, who constitute between 70% and 75% of the population according to the World Factbook.Kurds are the largest ethnic minority and, according to the same source, number around 18% of the population while other ethnic minorities are estimated to be at 7-12%. The vast majority of the population is Muslim.
Oghuz Turks began migrating into the area now called Turkey (derived from the Medieval Latin Turchia, i.e. "Land of the Turks") in the 11th century. The process was greatly accelerated by the Seljuk victory over the Byzantines at the Battle of Manzikert. Several small beyliks and the Seljuk Sultanate of Rûm ruled Anatolia until the Mongol invasion. Starting from the 13th century, the Ottoman beylik united Anatolia and created an empire encompassing much of Southeastern Europe, Western Asia and North Africa. After the Ottoman Empire collapsed following its defeat in World War I, parts of it were occupied by the victorious Allies. A cadre of young military officers, led by Mustafa Kemal Atatürk and his colleagues, organized a successful resistance to the Allies; in 1923, they would establish the modern Republic of Turkey with Atatürk as its first president.
Turkey is a democratic, secular, unitary, constitutional republic with a diverse cultural heritage. Turkey has become increasingly integrated with the West through membership in organisations such as the Council of Europe, NATO, OECD, OSCE and the G-20 major economies. Turkey began full membership negotiations with the European Union in 2005, having been an associate member of the European Economic Community since 1963 and having joined the EU Customs Union in 1995. Turkey has also fostered close cultural, political, economic and industrial relations with the Middle East, the Turkic states of Central Asia and the African countries through membership in organisations such as the Turkic Council, Joint Administration of Turkic Arts and Culture, Organisation of Islamic Cooperation and the Economic Cooperation Organisation.
Turkey's location at the crossroads of Europe and Asia makes it a country of significant geostrategic importance. In addition to its strategic location, Turkey's growing economy and diplomatic initiatives have led to its recognition as a regional power in the Middle East.