"Kuruluş Osman" is a Turkish historical drama series that follows the story of Osman I, the founder of the Ottoman Empire. The series is set in the 13th century and portrays the struggles of Osman Bey and his tribe, the Kayı tribe, against various forces, including the Byzantine and Mongol Empires, as they seek to establish a new state in the region. The series features a large ensemble cast and has gained a significant following both in Turkey and internationally