Caloocan in the Philippines is divided into barangays. Barangays in southern Caloocan are smaller compared to their northern counterparts. Also, barangays in Caloocan follow a hybrid system - some of the barangays only use numbers while others both have names and numbers.
In 1957, the sitio of Bagbagin was separated from the barrio of Kaybiga and converted into a distinct barrio known as barrio Bagbagin.
References
Barangays of Caloocan Wikipedia(Text) CC BY-SA