| Mayiladuthurai district | |
| Settlement Type: | District of Tamil Nadu |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | Region |
| Subdivision Name2: | Chola Nadu |
| Established Title: | Established |
| Parts Type: | Taluks |
| Parts: | Kuthalam, Mayiladuthurai, Sirkali, Tharangambadi, Kollidam Sembanarkoil |
| Seat Type: | Headquarters |
| Seat: | Mayiladuthurai |
| Leader Title1: | District Collector |
| Leader Name1: | A. P. Mahabharathi, IAS |
| Leader Title2: | Superintendent of Police |
| Leader Name2: | K. Meena, IPS[1] |
| Unit Pref: | Metric |
| Area Rank: | 37 |
| Area Total Km2: | 1172 |
| Elevation M: | 11 |
| Population Total: | 918356 |
| Population Rank: | 34 |
| Population Density Km2: | 782 |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 609001 |
| Area Code Type: | Telephone Code |
| Area Code: | +91- 4364 |
| Registration Plate: | TN 82 |
Mayiladuthurai district is one of the 38 districts of the Indian state of Tamil Nadu. The district was carved out of Nagapattinam district in 2020.[2] Its headquarters are located at Mayiladuthurai.
The district is bounded on the north by Cuddalore district, on the west by Thanjavur district, on the south by Tiruvarur district and Karaikal district of Puducherry, and the Bay of Bengal to the east.
The district is situated in the fertile delta of the Kaveri and is entirely flat plain. The Kaveri, as well as many of its distributaries, flows through the district and enters the sea here. Most of the northern border with Cuddalore is formed by the Kollidam River.
, it comprises the following taluks:
At the time of the 2011 census, Mayiladuthurai district had a population of 918,356, of which 176,568 (19.23%) lived in urban areas. Mayiladuthurai district has a sex ratio of 1029 females per 1000 males and Scheduled Castes and Scheduled Tribes made up 32.31% and 0.23% of the population respectively.[3] Tamil is the predominant language, spoken by 99.32% of the population.[4]
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