Geographical Feature
| Land Area | |||
| Land Area (Sq.Km) | 275.4 | ||
| In Land Waters (Sq.Km) | 17.3 | ||
| Total Area (Sq.Km) | 292.7 | ||
| Land Area by GN Division | |||
| S.No | Name of the GN Division | GN Division Number | Total Area (Sq.Km) |
| 1 | Illupadichenai | 148 | 10.86 |
| 2 | Pavatkodichenai | 148A | 19.25 |
| 3 | Panchenai | 148B | 42.66 |
| 4 | Gandhinagar | 148C | 11.02 |
| 5 | Kanchirankudah | 148D | 23.52 |
| 6 | Kothiyaoula | 148E | 2.22 |
| 7 | Kannankudah | 149 | 1.97 |
| 8 | Kariyakanthivu | 149A | 7.15 |
| 9 | Kurinchamunai | 149B | 9.87 |
| 10 | Mandapathady | 149C | 1.48 |
| 11 | Paruthechenai | 149D | 2.79 |
| 12 | Puthumandapathady | 149E | 10.36 |
| 13 | Eachanthivu | 182 | 1.56 |
| 14 | Vavunathivu | 182A | 14.76 |
| 15 | Navatkadu | 182B | 2.79 |
| 16 | Mangikaddu | 182C | 1.6 |
| 17 | Karavedy | 183 | 13.98 |
| 18 | Vilaveduwan | 183A | 1.64 |
| 19 | Mahilaveduwan | 184 | 5.04 |
| 20 | Unichchai | 184A | 67.35 |
| 21 | Aiyathiyamalai North | 184B | 11.02 |
| 22 | Aiyathiyamalai South | 184C | 13.65 |
| 23 | Naripulthotam | 184D | 0.98 |
| 24 | Nediyamadu | 184E | 15.13 |
| Total | 292.7 | ||
