List of districts of Tamil Nadu

The South Indian state of Tamil Nadu, also India's southernmost state, is bordered by the Union territory of Puducherry, and the states of Kerala, Karnataka and Andhra Pradesh. Chennai is the capital of Tamil Nadu. The state is divided into 38 districts.

History

After the Indian independence in August 1947, the former British province of Madras Presidency was renamed Madras State. Following states reorganizations in 1953 and 1956, the present state boundaries emerged. It was officially renamed Tamil Nadu in 1969. In 1956, Madras State was made up of 13 districts: Chingleput, Coimbatore, Kanyakumari, Madras, Madura, Nilgiris, North Arcot, Ramnad, Salem, South Arcot, Tanjore, Tinnevely and Trichinopoly. Since then, the districts have been divided as follows:

1961 - 1970

1966: Dharmapuri district was split from Salem district
1969: Madras State was renamed as Tamil Nadu

1971 - 1980

In 1974, Pudukkottai district was formed from the parts of Tiruchirappalli and Thanjavur districts.
In 1979, Erode district was split from Coimbatore district.

1981 - 1990

In 1985, Virudhunagar and Sivaganga districts were split from Ramanathapuram district.
In 1985, Dindigul district was split from Madurai district.
In 1986, Thoothukudi district was split from Tirunelveli district.
In 1989, Tiruvannamalai and Vellore districts were split from North Arcot district (District ceased to exist).

1991 - 2000

In 1991, Nagapattinam and Tiruvarur districts were split from Thanjavur district.
In 1993, Cuddalore and Viluppuram districts were split from South Arcot district (District ceased to exist).
In 1995, Karur and Perambalur districts were split from Tiruchirappalli district.
In 1996, Theni district was split from Madurai district.
In 1997, Namakkal district was split from Salem district.
In 1997, Kanchipuram and Tiruvallur districts were split from Chingleput district (District ceased to exist).

2001 - 2010

In 2004, Krishnagiri district was split from Dharmapuri district.
In 2007, Ariyalur district was split from Perambalur district.
In 2009, Tiruppur district was formed from the parts of Coimbatore and Erode districts.

2011 - 2020

In 2019, Tenkasi district was split from Tirunelveli district.
In 2019, Kallakurichi district was split from Viluppuram district.
In 2019, Tirupattur and Ranipet districts were split from Vellore district.
In 2019, Chengalpattu district was split from Kanchipuram district.
In 2020, Mayiladuthurai district was split from Nagapattinam district.

Now Dindigul District is the Biggest District in Tamil Nadu in terms of Area

Districts of Tamil Nadu

No.	District	Code	Headquarters	Established	Formed from	Area (km²)	2011 Census statistics		Taluks	Map
No.	District	Code	Headquarters	Established	Formed from	Area (km²)	Population^[1]	Population density (/km²)	Taluks	Map
1.	Ariyalur	AR	Ariyalur	23 November 2007	Perambalur	3,208	7,54,894	235	Andimadam Ariyalur Udayarpalayam Sendurai
2.	Chengalpattu	CGL	Chengalpattu	29 November 2019	Kanchipuram	2,944.96^[2]	2,556,244^[2]	868	Chengalpattu Cheyyur Madurantakam Pallavaram Tambaram Thiruporur Thirukazhukundram Vandalur
3.	Chennai	CH	Chennai	1 November 1956	One of the original 13 districts (under former name of "Madras District")	178.20	46,46,732	26,076	Alandur Ambattur Aminjikarai Ayanavaram Egmore Guindy Madhavaram Maduravoyal Mambalam Mylapore Perambur Purasawalkam Sholinganallur Tiruvottiyur Tondiarpet Velachery
4.	Coimbatore	CO	Coimbatore	1 November 1956	One of the original 13 districts	4,723^[3]	2 million as of google search	732	Anaimalai Annur Coimbatore-North Coimbatore-South Kinathukadavu Madukkarai Mettupalayam Perur Pollachi Sulur Valparai
5.	Cuddalore	CU	Cuddalore	30 September 1993	South Arcot District	3,678	2,605,914	709	Bhuvanagiri Chidambaram Cuddalore Kattumannarkoil Kurinjipadi Panruti Srimushnam Titakudi Veppur Vriddachalam
6.	Dharmapuri	DH	Dharmapuri	2 October 1965	Salem	4,497.77	15,06,843	335	Dharmapuri Palacode Pennagaram Harur Pappireddipatti Karimangalam Nallampalli
7.	Dindigul	DI	Dindigul	15 September 1985	Madurai	6,266.64	21,59,775	345	Athoor Dindigul-West Dindigul-East Gujiliamparai Kodaikanal Natham Nilakottai Oddanchattiram Palani Vedasandur
8.	Erode	ER	Erode	31 August 1979	Coimbatore	5,722^[4]	22,51,744	394	Anthiyur Bhavani Erode Gobichettipalayam Kodumudi Modakurichi Nambiyur Perundurai Sathyamangalam Thalavadi
9.	Kallakurichi	KL	Kallakurichi	26 November 2019	Viluppuram	3,520.37	13,70,281^[5]	389^[6]	Kallakkurichi Thirukoilur Kalvarayan Hills Ulundurpet Sankarapuram Chinnasalem
10.	Kanchipuram	KC	Kanchipuram	1 July 1997	Chingleput	1,655.94	11,66,401	704	Kanchipuram Sriperumbudur Uthiramerur Walajabad Kundrathur
11.	Kanniyakumari	KK	Nagercoil	1 November 1956	One of the original 13 districts (transferred from Travancore-Cochin)	1,672	18,70,374	1,119	Agastheeswaram Kalkulam Vilavancode Thovalai Thiruvattar Killiyur
12.	Karur	KR	Karur	30 September 1995	Tiruchirappalli	2,895.57	10,64,493	357	Aravakurichi Kadavur Karur Krishnarayapuram Kulithalai Manmangalam Pugalur
13.	Krishnagiri	KR	Krishnagiri	9 February 2004	Dharmapuri	5,143	18,79,809	366	Krishnagiri Hosur Pochampalli Uthangarai Denkanikottai Anchetty Shoolagiri Bargur
14.	Madurai	MDU	Madurai	1 November 1956	One of the original 13 districts	3,741.73	30,38,252	812	Madurai-North Madurai-South Madurai-West Madurai-East Kallikudi Melur Peraiyur Thirumangalam Thiruparankundram Usilampatti Vadipatti
15.	Mayiladuthurai	-	Mayiladuthurai	7 April 2020	Nagapattinam	1,172	9,18,356	784	Mayiladuthurai Sirkazhi Tharangambadi Kuthalam
16.	Nagapattinam	NG	Nagapattinam	18 October 1991	Thanjavur	1,397	6,97,069	498	Kilvelur Nagapattinam Thirukkuvalai Vedaranyam
17.	Namakkal	NM	Namakkal	1 January 1997	Salem	3,363	17,26,601	513	Kollimalli Mohanur Namakkal Paramathi-Velur Sendamangalam Thiruchengode Rasipuram Kumarapalayam
18.	Nilgiris	NI	Udhagamandalam	1 November 1956	One of the original 13 districts	2,452.5	7,35,394	300	Coonoor Gudalur Kotagiri Kundah Pandalur Udagamandalam
19.	Perambalur	PE	Perambalur	30 September 1995	Tiruchirappalli	3,690.07	5,65,223	153	Alathur Kunnam Perambalur Veppanthattai
20.	Pudukkottai	PU	Pudukottai	14 January 1974	Thanjavur and Tiruchirappalli	4,663	16,18,345	347	Alangudi Aranthangi Avadaiyarkoil Gandarvakottai Illuppur Karambakkudi Kulathur Manamelkudi Pudukottai Thirumayam Ponnamaravathy Viralimalai
21.	Ramanathapuram	RA	Ramanathapuram	1 November 1956	One of the original 13 districts	4,089.57	13,53,445	331	Kadaladi Kamuthi Kilakarai Manamelkudi Mudukulathur Paramakudi Ramanathapuram Rameswaram Tiruvadanai Raja Singa Mangalam
22.	Ranipet	RN	Ranipet	28 November 2019	Vellore	2,234.32	12,10,277^[7]	542	Arakkonam Arcot Nemili Walajapet
23.	Salem	SA	Salem	1 November 1956	One of the original 13 districts	5,205	34,82,056	669	Attur Idappadi Gangavalli Kadyampatti Mettur Omalur Pethanaickenpalayam Salem Salem West Salem South Sankagiri Valapady Yercaud
24.	Sivagangai	SI	Sivagangai	15 March 1985	Ramanathapuram	4,086	13,39,101	328	Devakottai Ilayangudi Kalayarkoil Karaikudi Manamadurai Sivaganga Singampunari Tirupathur Tiruppuvanam
25.	Tenkasi	TS	Tenkasi	22 November 2019	Tirunelveli	2916.13^[8]	14,07,627^[8]	483	Alankulam Kadayam Kadayanallur Keelapavoor Kuruvikulam Melaneelidanallur Sankarankovil Shenkottai Tenkasi Vasudevanallur
26.	Thanjavur	TJ	Thanjavur	1 November 1956	One of the original 13 districts	3,396.57	24,05,890	708	Budalur Kumbakonam Orathanadu Papanasam Pattukkottai Peravurani Thanjavur Thiruvaiyaru Thiruvidaimarudur
27.	Theni	TH	Theni	25 July 1996	Madurai	3,066	12,45,899	406	Theni Periyakulam Andipatti Bodniayakkanur Uthamapalayam Alangulam
28.	Thoothukudi	TK	Thoothukudi	20 October 1986	Tirunelveli	4,621	17,50,176	379	Thoothukudi Tiruvaikuntam Kovilpatti Ottapidaram Ettayapuram Vilathikulam Kayathar Tiruchendur Sathankulam Eral
29.	Tiruchirappalli	TC	Tiruchirappalli	1 November 1956	One of the original 13 districts	4,407	27,22,290	618	Lalgudi Manachanallur Manapparai Marungapuri Musiri Srirangam Tiruchirappalli West Tiruchirappalli East Thiruverumbur Thottiyam Thuraiyur
30.	Tirunelveli	TI	Tirunelveli	1 November 1956	One of the original 13 districts	3842.37	16,65,253	433	Ambasamudram Nanguneri Palayamkottai Manur Radhapuram Tirunelveli Thisayanvilai Cheranmahadevi
31.	Tirupattur	TU	Tirupattur	28 November 2019	Vellore	1,797.92^[9]	11,11,812^[9]	618	Natrampalli Tirupattur Vaniyambadi Ambur
32.	Tiruppur	TP	Tiruppur	22 February 2009	Coimbatore and Erode	5,186.34	24,79,052	478	Avinashi Palladam Dharapuram Kangeyam Madathukulam Tiruppur South Tiruppur North Udumalaipettai Uthukuli
33.	Tiruvallur	TL	Tiruvallur	1 July 1997	Chingleput	3424	37,28,104	1,089	Avadi Gummidipoondi Pallipattu Ponneri Poonamallee RK Pet Tiruttani Tiruvallur Uthukkottai
34.	Tiruvannamalai	TV	Tiruvannamalai	30 September 1989	North Arcot	6,191	24,64,875	398	Aarani Chengam Chetpet Cheyyar Jamunamarathur Kilpennathur Kalasapakkam Polur Thandarampattu Tiruvannamalai Vandavasi Vembakkam
35.	Tiruvarur	TR	Thiruvarur	18 October 1991	Thanjavur	2,161	12,64,277	585	Kudavasal Koothanallur Mannargudi Nannilam Needamangalam Thiruthiraipoondi Tiruvarur Valangaiman
36.	Vellore	VE	Vellore	30 September 1989	North Arcot	2030.11	16,14,242	795	Anaicut Gudiyatham Pernambut Katpadi Vellore Kilvaithinankuppam
37.	Viluppuram	VL	Viluppuram	30 September 1993	South Arcot	3725.54	20,93,003	562	Gingee Marakkanam Melmalaianur Tindivanam Vanur Vikravandi Villupuram Kandachipuram Thiruvennainallur
38.	Virudhunagar	VR	Virudhunagar	15 March 1985	Ramanathapuram	4,288	19,42,288	453	Aruppukkottai Kariapatti Rajapalayam Sattur Sivakasi Srivilliputhur Tiruchuli Virudhunagar Watrap Vembakottai

References

^ "A - 2: Decadal Variation Population Since 1901" (PDF). Registrar General and Census Commissioner of India. Retrieved 30 November 2019.
^ ^a ^b செங்கல்பட்டு மாவட்டத்தின் பெருமைகளை சுட்டிக்காட்டி முதல்வர் பேச்சு! (in Tamil). News7 Tamil. 28 November 2019. Retrieved 29 November 2019.
^ "Coimbatore District Statistical Handbook". Coimbatore District Administration. Retrieved 21 November 2015.
^ "Erode District - District At a Glance". National Informatics Centre. Retrieved 22 November 2019.
^ புதிதாக பிரிக்கப்பட்ட கள்ளக்குறிச்சி மாவட்டம் இன்று உதயம் (in Tamil). News7 Tamil. 25 November 2019. Retrieved 28 November 2019.
^ "CM Palaniswami promises amenities for Kallakurichi district". The New Indian Express. 27 November 2019. Retrieved 2 December 2019.
^ ராணிப்பேட்டை மாவட்ட தொடக்க விழாவில் முதலமைச்சர் எடப்பாடி பழனிசாமி உரை (in Tamil). News7 Tamil. 28 November 2019. Retrieved 28 November 2019.
^ ^a ^b 8 தாலுகாக்களுடன் உதயமானது தென்காசி மாவட்டம் (in Tamil). News7 Tamil. 22 November 2019. Retrieved 28 November 2019.
^ ^a ^b உதயமானது திருப்பத்தூர் : முதல்வர் பழனிசாமி பேச்சு (in Tamil). News7 Tamil. 27 November 2019. Retrieved 30 November 2019.

[Decadal-1] "A - 2: Decadal Variation Population Since 1901" (PDF). Registrar General and Census Commissioner of India. Retrieved 30 November 2019.

[Chengalpattu-2] செங்கல்பட்டு மாவட்டத்தின் பெருமைகளை சுட்டிக்காட்டி முதல்வர் பேச்சு! (in Tamil). News7 Tamil. 28 November 2019. Retrieved 29 November 2019.

[Coimbatore_district-3] "Coimbatore District Statistical Handbook". Coimbatore District Administration. Retrieved 21 November 2015.

[4] "Erode District - District At a Glance". National Informatics Centre. Retrieved 22 November 2019.

[Kallakurichi-5] புதிதாக பிரிக்கப்பட்ட கள்ளக்குறிச்சி மாவட்டம் இன்று உதயம் (in Tamil). News7 Tamil. 25 November 2019. Retrieved 28 November 2019.

[6] "CM Palaniswami promises amenities for Kallakurichi district". The New Indian Express. 27 November 2019. Retrieved 2 December 2019.

[7] ராணிப்பேட்டை மாவட்ட தொடக்க விழாவில் முதலமைச்சர் எடப்பாடி பழனிசாமி உரை (in Tamil). News7 Tamil. 28 November 2019. Retrieved 28 November 2019.

[Tenkasi-8] 8 தாலுகாக்களுடன் உதயமானது தென்காசி மாவட்டம் (in Tamil). News7 Tamil. 22 November 2019. Retrieved 28 November 2019.

[Tirupattur-9] உதயமானது திருப்பத்தூர் : முதல்வர் பழனிசாமி பேச்சு (in Tamil). News7 Tamil. 27 November 2019. Retrieved 30 November 2019.

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