Chinatown
Colorful shophouses, Buddha Tooth Relic Temple, Sri Mariamman Temple (Singapore’s oldest Hindu temple). Chinatown Complex Food Centre has excellent hawker food.
Little India
Flower garland sellers, spice shops, Sri Veeramakaliamman Temple, Tekka Centre. Most visually overwhelming neighborhood.
Arab Street / Kampong Glam
Sultan Mosque, Haji Lane (colorful boutiques and cafes), Arab Street fabric stores.
Tiong Bahru
Singapore’s hippest neighborhood. 1930s Art Deco housing, best coffee in Singapore, independent bookshops (BooksActually).
Katong / Joo Chiat
Peranakan heritage. Beautiful terrace houses in vivid colors, Nyonya cuisine.
Singapore neighborhood walking tours are bookable on Klook.