Its striking prang (Khmer-style pagoda) became one of the important symbols and landmarks of Bangkok and Thonburi side, as well as being a seal of the Tourism Authority of Thailand (TAT).

[3] When King Taksin established the new capital of Siam (now Thailand), Thonburi, on the left bank of the Chao Phraya River, where confluence of Khlong Bangkok Yai and Chao Phraya River, that is the current location here (including expanding to nearby areas were Bangkok Noi and Thon Buri Districts in present day).

[4] Bangkok Yai District Office used to be located in the area of Wat Hong Rattanaram, another prominent temple in this subdistrict in the year 1915.

[6] Since it is a historic area, it is therefore full of many ancient and historical sites, consisting of Thonburi Palace, also known as Phra Racha Wang Derm (Old Palace) in Thai, the former lodging of King Taksin next to the Wat Arun and Wichai Prasit Fort, the old fort that used to protect Bangkok, it was built since the reign of King Narai of Ayutthaya era by Greek noble who served in the Ayutthaya royal court Constantine Phaulkon.

It used to be the place where Chularatchamontri (chief of Muslim in Thailand) Chaem Phromyong led King Ananda Mahidol (Rama VIII) to visit in 1946.