[3] The mukim is named after Kampong Mentiri, one of the villages it encompasses.

The mukim had 5,292 households occupying 5,280 dwellings.

The entire population lived in urban areas.

As of 2021, the mukim comprised the following census villages: The mukim is home to the following public housing estates: Pehin Datu Seri Maharaja Secondary School is the sole secondary school in the mukim.

Kampong Salar is also home to the Embassy of Saudi Arabia.