[2] The name "Somdet Chao Phraya" is a Thai noble title, derived from the canal's excavation during the reign of King Mongkut (Rama IV) by the nobility of this rank in the Bunnag family as well as being their residence.

Because it was the location of the customs house and also the site of the royal warehouse, with Talat Ban Somdet, the local market that was the source of imported products from foreign countries as well.

This area has been a community and market that has been a mixture of people of various races and religions for over 200 years since the early Rattanakosin era.

[4] Somdet Chao Phraya has an area of 1.16 km2 (0.45 sq mi), regarded as the northernmost of the district.

Prajadhipok, Issaraphap, and Somdet Chao Phraya roads are three main routes in the area.