Geylang is also a red-light district of Singapore. Thousands of Asian prostitutes mostly from other countries like Thailand, Indonesia, China and Malaysia work in .brGeylang is also a red-light district of Singapore. Thousands of Asian prostitutes mostly from other countries like Thailand, Indonesia, China and Malaysia work in .brFrom Lorong 8 to 22 after dark.brbrGeylang is also a red-light district of Singapore. Thousands of Asian prostitutes mostly from other countries like Thailand, Indonesia, China and Malaysia work in .