| Thamankaduwa Divisional Secretariat | |
|---|---|
| — Divisional Secretariat — | |
| Country | Sri Lanka |
| Province | North Central Province |
| District | Polonnaruwa District |
| Time zone | Sri Lanka Standard Time (UTC+5:30) |
Thamankaduwa Divisional Secretariat is a Divisional Secretariat of Polonnaruwa District, of North Central Province, Sri Lanka.