Hadji Mohammad Ajul, officially the Municipality of Hadji Mohammad Ajul (Tausà «g: Lupah Hadji Mohammad Ajul; Chavacano: Municipalidad de Hadji Mohammad Ajul; ), is a municipality in the province of Basilan, Philippines. According to the 2020 census, it has a population of 24,625 people.
It was created by Muslim Mindanao Autonomy Act No. 192, ratified by plebiscite on May 22, 2006. It is composed of 11 barangays that were formerly part of Tuburan.
Hadji Mohammad Ajul is politically subdivided into 11 barangays. Each barangay consists of puroks while some have sitios.
In the 2020 census, Hadji Mohammad Ajul had a population of 24,625. The population density was .
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