Meanwhile, he begin the reunification of the Turkish Anatolia, conquering the beyliks of Aydin, Saruhan in 1390, the beyliks of Mentese, Germiyan and Kastamonu in 1391; and finally the great emirate of Karaman and the ex-emirate of Burhan-ad-Din in Tokat, Sivas and Kayseri(1397–98).
An agreement could only be reached in 1299, upon which the Germiyan Dynasty also entered into possession of Ankara.