The mukim (which is a second-level administrative division of Brunei, and the primary subdivision of a district) called Tamoi in Kampong Ayer is divided into villages Pengiran Bendahara Lama, Pengiran Kerma Indera Lama, Pengiran Tajuddin Hitam, Tamoi Tengah, and Tamoi Ujong.
The mukim (which is a second-level administrative division of Brunei, and the primary subdivision of a district) called Tamoi in Kampong Ayer is divided into villages Pengiran Bendahara Lama, Pengiran Kerma Indera Lama, Pengiran Tajuddin Hitam, Tamoi Tengah, and Tamoi Ujong.