| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Udaiyadi | city | Northern | Sri Lanka | 8.88 | 80.03 | 39 | 9536 |
| Udaiyamadam | city | Eastern | Sri Lanka | 8.39 | 81.28 | 26 | 13787 |
| Udaiyarachamalankulam | city | Northern | Sri Lanka | 9.18 | 80.59 | 118 | 6128 |
| Udaiyarpalaiyam | city | Tamil Nadu | India | 11.19 | 79.30 | 252 | 47190 |
| Udaiyarthurai | city | Northern | Sri Lanka | 9.58 | 80.45 | 3 | 18569 |