Mattavettu Sub-Center
| Hospital Name | Mattavettu Sub-Center |
| Address | N. A. |
| Address Line2 | Road Street, Near Vetrinary Hospital |
| Location | Mattavettu |
| Phone No. | N. A. |
| Mobile No. | N. A. |
| Facility | SubCentre |
| State | Tamil Nadu |
| District | Tiruvannamalai |
| Taluka | Polur |
| Block | Kalasapakkam |
| GPS Location | Latitude: 12.3594 |
| Longitude: 78.7633 |
Mattavettu Sub-Center hospital is a SubCentre in Kalasapakkam. It is located in Tiruvannamalai district of Tamilnadu state. The GPS Location of this hospital is shown in the map below.