Thong Lo/Thong Lor Sukhumvit Soi 55, is a road and neighborhood in Watthana district, Bangkok, Thailand. Thong Lor literally translates as "molten gold". Its name comes from the name of a naval officer, Thonglo Khamhiran, Moreover, there are also many similarly named alleys of Sukhumvit Road, such as Soi Klang or Sukhumvit Soi 49.

The hospital in Thonglor / Thong Lo area is Samitivej hospital. International School nearby is Bangkok Prep School (Bangkok International Preparatory & Secondary School (Bangkok Prep), The American School of Bangkok (ASB), Trinity International School in Tonglor

Thong Lo BTS Station, north to Phetchaburi Road. Originally housing car dealerships and "tacky" wedding showrooms, during the mid-2000s it became an increasingly trendy area. A large Japanese expat community is located in the area, and many shops, restaurants and cocktails bars have opened with a large demand for new condominiums in the area. In 2017 there was a crackdown on street food vendors operating on the street.

Condominium Apartment for Rent near Thonglor / Thong Lo BTS Station are mostly on main Sukhumvit Road which is located very close to Thonglor / Thong Lo BTS station. Especially, Noble Remix projects are linked to BTS Thonglor via a dedicated and exclusive skywalk bridge. Keyne By Sansiri, Siri at Sukhumvit

And many Superb Elegant and Luxury Apartment- Walk to Main Sukhumvit Road and Thonglor Thong Lo BTS The facility includes big garden on balcony, swimming pool, gym, playground in the building.

Thonglor / Thonglor street, there are many night club, best restaurants in Bangkok.