Bowon Niwet (Thai: บวรนิเวศ, pronounced [bɔ̄ː.wɔ̄ːn ní(ʔ).wêːt]) is a khwaeng (subdistrict) of Phra Nakhon District, in Bangkok, Thailand. In 2017 it had a total population of 4,837 people.

Bowon Niwet is considered to be the central part indented to the east of the Bangkok's old town zone or Rattanakosin Island. Its name comes from Wat Bowonniwet, a prominent local Buddhist temple. It covers important places (apart from Wat Bowonniwet) include Democracy Monument, Wat Ratchanaddaram and Satriwitthaya School as well as some parts of Bang Lamphu.

Within the area of Bowon Niwet, there is a street in the form of soi (alley) named Trok Sake connecting Tanao Road with Atsadang Road in the vicinity of Royal Rattanakosin Hotel and Ratchadamnoen Avenue.

Its area is along Klong Lot Wat Thep Thidaram, part of the old city moat, Khlong Khu Mueang Doem, and covers other short streets are Trok Sathien, Burana Sat Road, Bunsiri Road, Soi Damnoen Klang Tai.

Trok Sake is considered one of the oldest residential areas in Rattanakosin Island. There is a residence of Prince Prachak Silapakhom, son of King Rama IV and pioneer of Udon Thani Province, named Trok Sake Palace. Currently, it is abandoned and in a very dilapidated condition. In the past, Trok Sake was also the birthplace and abode of Pu Raberd Khuad, a famous teenage gangster of the 1950s and 1960s. His identity was portrayed in 1997 successful period film Dang Bireley's and Young Gangsters. In the film he was the villain.

Today, Trok Sake is considered a haven for low-income people and homeless, making it another Bangkok's deteriorated area. In addition, along all these lanes there are full of merchants offering thing for sale, mostly second-hand and cheap articles.

It is also to be a source of many types of prostitutes ranging from youngster to the elderly, both men and women. Inns and hostels of various price points have sprung up in recent years as if to accommodate this illegal business.