Thennavanallur Sub-Center
| Hospital Name | Thennavanallur Sub-Center |
| Address | 191/a |
| Address Line2 | Colony Street, Main Road |
| Location | Thennavanallur |
| Phone No. | N. A. |
| Mobile No. | N. A. |
| Facility | SubCentre |
| State | Tamil Nadu |
| District | Ariyalur |
| Taluka | Udayarpalayam |
| Block | T.Palur |
| GPS Location | Latitude: 11.1533 |
| Longitude: 79.451 |
Thennavanallur Sub-Center hospital is a SubCentre in T.Palur. It is located in Ariyalur district of Tamilnadu state. The GPS Location of this hospital is shown in the map below.