The areas referred to as mukims in Kampong Ayer and divided into villages.
Kampong Ayer consists of several small neighbourhoods which are officially designated as villages, the third- and lowest-level administrative divisions of Brunei; each has its own village head (Malay: ketua kampung). The villages are under a few mukims (subdistricts) of Brunei-Muara District, with penghulu as the mukim head. 
