List of Sub Districts in Chennai
| ID | States/UTs | Districts | SubDistricts |
|---|---|---|---|
| 1 | Tamil Nadu | Chennai | Alandur |
| 2 | Tamil Nadu | Chennai | Ambattur |
| 3 | Tamil Nadu | Chennai | Aminjikarai |
| 4 | Tamil Nadu | Chennai | Ayanavaram |
| 5 | Tamil Nadu | Chennai | Egmore |
| 6 | Tamil Nadu | Chennai | Guindy |
| 7 | Tamil Nadu | Chennai | Maduravoyal |
| 8 | Tamil Nadu | Chennai | Mambalam |
| 9 | Tamil Nadu | Chennai | Mathavaram |
| 10 | Tamil Nadu | Chennai | Mylapore |
| 11 | Tamil Nadu | Chennai | Perambur |
| 12 | Tamil Nadu | Chennai | Purasawalkam |
| 13 | Tamil Nadu | Chennai | Sholinganallur |
| 14 | Tamil Nadu | Chennai | Tiruvottiyur |
| 15 | Tamil Nadu | Chennai | Tondiarpet |
| 16 | Tamil Nadu | Chennai | Velachery |