Pudukkottai District is a district of Tamil Nadu state in southern India. The city of Pudukkottai is the district headquarters. It is also known colloquially as Pudhugai. Pudukkottai district is one of the least urbanized district in Tamil Nadu.
Pudukkottai district is bounded on the northeast and east by Thanjavur District, on the southeast by the Palk Strait, on the southwest by Ramanathapuram and Sivaganga districts, and on the west and northwest by Tiruchirapalli District. As of 2011, the district had a population of 1,618,345 with a sex-ratio of 1,015 females for every 1,000 males.
The district has an area of 4663 km² with a coastline of 42 km. The district lies between 78° 25' and 79° 15' east longitude and between 9° 50' and 10° 40' of the north latitude.