List of Sub Districts in Chengalpattu
| ID | States/UTs | Districts | SubDistricts |
|---|---|---|---|
| 1 | Tamil Nadu | Chengalpattu | Chengalpattu |
| 2 | Tamil Nadu | Chengalpattu | Cheyyur |
| 3 | Tamil Nadu | Chengalpattu | Maduranthakam |
| 4 | Tamil Nadu | Chengalpattu | Pallavaram |
| 5 | Tamil Nadu | Chengalpattu | Tambaram |
| 6 | Tamil Nadu | Chengalpattu | Tirukalukundram |
| 7 | Tamil Nadu | Chengalpattu | Tiruporur |
| 8 | Tamil Nadu | Chengalpattu | Vandalur |