red with a vertical white crescent moon (the closed portion is toward the hoist side) and white five-pointed star centered just outside the crescent opening; the flag colors and designs closely resemble those on the banner of the Ottoman Empire, which preceded modern-day Turkey; the crescent moon and star serve as insignia for Turkic peoples; according to one interpretation, the flag …
: https://www.cia.gov/library/publications/the-world-factbook/geos/tu.html