raja buaya 98Rajah Buayan, previously known as Sapakan, rose to prominence as the capital of Buayan during Datu Uto 's ren in 1875. It also served as the seat of power for the Sultanates of TinungkupRajah Buayan, previously known as Sapakan, rose to prominence as the capital of Buayan during Datu Uto 's ren in 1875. It also served as the seat of power for the Sultanates of Tinungkup