 During the reign of Sultan Mahmud Badaruddin I, the 50 hectares Kuto Tengkuruk became the main center of the Palembang Sultanate.Kraton Kuto Tengkuruk was bordered with Kapuran River (now Pasar Cinde) to the north, Tengkuruk River to the east (in what is now the complex of Pupuk Sriwidjaja Palembang), River Musi to the south, and Sekanak River (now Lambidaro River in 36 Ilir) to the west.The landmarks of Kraton Kuto Tengkuruk were the domed Great Mosque and the palace proper of Kuto Batu / Kuto Tengkuruk.