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Last Updated:November 06, 2025, 09:18 IST
Sprawling across thousands of square kilometres, Tamil Nadu’s largest district stands tall — a land where fertile fields meet ancient heritage. Can you name it?

Tamil Nadu is renowned for its rich culture, heritage, and historical significance. The state is also home to some of the most prominent temples in the world. With 38 districts, Tamil Nadu boasts a diverse population and a varied geographical landscape. But have you ever wondered which are the ten largest districts in Tamil Nadu, and which one tops the list? Let’s explore them in detail. (AI Generated)

1. Dindigul: It is the largest district in Tamil Nadu, covering an area of 6,266 square kilometres. The district’s primary sources of income include agriculture, textile industries, and trade. It is also known for its horticultural produce, particularly grapes and bananas. Interestingly, Dindigul city was once part of the Madurai district. (AI Generated)

2. Tirunelveli: The second largest district is Tirunelveli, spanning 6,810 square kilometres. Its economy is mainly driven by agriculture and various industries. The district is famous for the Courtallam Waterfalls, located about 55 km from Nellai and 5 km from Tenkasi. Several waterfalls adorn the region, including the Main Falls, Aintharuvi, Thenaruvi, Shenbagadevi, Puliyaruvi, and Old Courtallam. (AI Generated)

3. Tiruvannamalai: It ranks third, with an area of 6,191 square kilometres. Its main economic activities include agriculture, tourism, and small-scale industries. The district attracts lakhs of devotees and tourists every year to the sacred Annamalaiyar Temple. (AI Generated)

4. Vellore: Covering 6,050 square kilometres, Vellore is the fourth largest district. It is known for its leather industries and agricultural activities. The historic Vellore Fort remains a major attraction for visitors. (AI Generated)

5. Erode: Eith an area of 5,722 square kilometres, Erode ranks fifth. Often called the 'Textile City of Tamil Nadu', Erode is also famous for its turmeric cultivation and export, earning it the title 'Turmeric City'. (AI Generated)

6. Salem: It is the sixth largest district, spanning 5,237 square kilometres. The district’s economy thrives on steel production, textiles, and agriculture. Crops such as mango, cassava, and coffee are extensively cultivated here. (AI Generated)

7. Tiruppur: Covering 5,187 square kilometres, Tiruppur ranks seventh. Known as the 'Knitwear Capital of India', it is a global hub for the textile and garment industry, exporting products worldwide. (AI Generated)

8. Krishnagiri: It is the eighth largest district that extends over 5,129 square kilometres. Popularly known as the 'Mango Capital of Tamil Nadu', the district is celebrated for its vast mango cultivation and export industry. (AI Generated)

9. Coimbatore: It is the ninth largest district, covering 4,850 square kilometres. It plays a major role in India’s textile exports and is a key centre for manufacturing automobile components, pumps, and motors. (AI Generated)

10. Thoothukudi: Thoothukudi ranks tenth with an area of 4,745 square kilometres. It is one of India’s major port cities and the largest salt-producing region in Tamil Nadu. (AI Generated)
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