Mangga baca bagian di handap ieu, tuluy ngajawab pananya di handap ieu dina basa anu sarua jeung bagian ieu: Passage: Formerly Bang Bon was a tambon of amphoe Bang Khun Thian in Thonburi Province, before the merger of Thonburi and Phra Nakhon into a single province, after which it was a sub-district of Bang Khun Thian District. Pertanyaan: Daérah mana anu ngagabung babarengan pikeun ngawangun hiji propinsi?
Thonburi jeung Phra Nakhon