Pudukkottai District is surrounded by
Tiruchirapalli District in the north and west,
Sivagangai District in the south,
Thanjavur District in the north-east and the
Bay of Bengal in the east. The town of Pudukkottai is the headquarters. It has a total area of 4,663 sq km, with 39 km long coastline. Pudukkottai District has a population of over 1.4 million and the temperature varies from 19° C to 38° C. The annual rainfall is around 921 mm.
The archaeological and cultural remains at Kodumbalur, Narthamalai, Kudumianmalai, Kunnandarkoil, Sittannavasal, Thirumayam and Avudayarkoil are the proof of its rich cultural heritage. Dolmens, stone circles and megalithic burials in Pudukkottai District indicate the antiquity of Pudukkottai. Aadi Pooram Festival at Sri Kokarneswarar Brahadambal Temple and Manikkavasagar festival at Avudayarkoil are the major festivals.
Government Museum at Thirukokarnam, Aintali Temple at Kodumbalur, Muskundeshwarar Temple, rock-cut cave temple at Kodumianmalai, Subramanya Temple at
Viralimalai, Thirumayam Fort and Old chapel at Avur are the main tourist places.