Originally Posted by
BinSabai
I also would like to be pedantic

and emphasize, that Silom is NOT a district; the area between Sathorn road and Rama IV is called
Bang Rak district (in Thai "khet") including Silom road, Surawong road and Si Phaya road; there is however a district called "Sathorn", which is the area south-east of Sathorn road...
Bang Rak district - Wikipedia
Silom is the sub-district (more than just the road), Bangrak is the district (sorry, I got it the wrong way around). Khwaeng Silom, Khet Bangrak.