CENTRAL REGION
The central region can be further classified into sub-regions: Downtown Core, Prime District, and the City Fringe.
| District | Location |
| 01 | Boat Quay, Raffles Place, Marina |
| 02 | Chinatown, Tanjong Pagar, Outram |
| 06 | City Hall, North Bridge |
| 07 | Beach Road, Bencoolen, Bugis, Rochor |
| District | Location |
| 09 | Orchard, River Valley, Cairnhill, Killiney, Leonie Hill |
| 10 | Tanglin, Balmoral, Bukit Timah, Holland, River Valley |
| 11 | Newton, Novena, Bukit Timah |
| District | Location |
| 03 | Queenstown, Redhill, Tiong Bahru |
| 04 | Telok Blangah, Keppel, Mount Faber, Sentosa |
| 08 | Farrer Park, Serangoon, Little India |
| 12 | Balestier, Toa Payoh, Moulmein |
| 13 | Potong Pasir, Macpherson |
| 14 | Paya Lebar, Geylang, Eunos, Kembangan |
| 15 | Tanjong Rhu, Katong, Marine Parade, Mountbatten, Siglap |
| District | Location |
| 14 | Paya Lebar, Geylang, Eunos, Kembangan |
| 15 | Tanjong Rhu, Katong, Marine Parade, Mountbatten, Siglap |
| 16 | Upper East Coast, Bayshore, Bedok, Chai Chee, Tanah Merah |
| 17 | Changi, Loyang |
| 18 | Pasir Ris, Tampines, Simei |
| District | Location |
| 03 | Queenstown, Redhill, Tiong Bahru |
| 05 | Pasir Panjang, West Coast |
| 21 | Upper Bukit Timah, Clementi |
| 22 | Jurong, Boon Lay, Tuas |
| 23 | Upper Bukit Timah, Bukit Batok, Choa Chu Kang |
| 24 | Kranji, Lim Chu Kang, Tengah |
| District | Location |
| 19 | Kovan, Hougang, Punggol, Sengkang |
| 20 | Ang Mo Kio, Bishan, Thomson |
| 28 | Seletar, Yio Chu Kang |
| District | Location |
| 25 | Admiralty, Woodlands |
| 26 | Tagore, Yio Chu Kang |
| 27 | Admiralty, Sembawang, Yishun |