The Organization of Turkic States (OTS), formerly called the Turkic Council or the Cooperation Council of Turkic Speaking States, is an intergovernmental organization comprising all but one of the internationally recognized Turkic sovereign states: Azerbaijan, Kazakhstan, Kyrgyzstan, Turkey, and Uzbekistan; while Hungary and Turkmenistan are observers. Its overarching aim is promoting comprehensive cooperation among the Turkic peoples. First proposed by Kazakh president Nursultan Nazarbayev in 2006, it was founded on 3 October 2009 in Azerbaijan's Nakhchivan. The General Secretariat is located in Turkey's Istanbul.

Azerbaijan, officially the Republic of Azerbaijan, is a transcontinental country located at the boundary of Eastern Europe and West Asia. It is a part of the South Caucasus region and is bounded by the Caspian Sea to the east, Russia's republic of Dagestan to the north, Georgia to the northwest, Armenia and Turkey to the west, and Iran to the south. Baku is the capital and largest city.