Agro-Climatic Zone of Tamil Nadu

Tamil Nadu
	Cauvery Delta zone
		Ariyalur
		Karur
		Nagapattinam
		Perambalur
		Thanjavur
		Thiruvarur
		Tiruchirapalli
	High rainfall zone
		Kanyakumari
	Hill zone
		Nilgiris
	Northeastern zone
		Cuddalore
		Kanchipuram
		Tiruvallur
		Tiruvannamalai
		Vellore
		Villupuram
	Northwestern zone
		Dharmapuri
		Krishnagiri
		Namakkal
		Salem
	South Zone
		Dindigul
		Madurai
		Pudukottai
		Ramanathapuram
		Sivagangai
		Theni
	Southern zone
		Tirunelveli
		Tuticorin
		Virudhunagar
	Western Zone
		Coimbatore
		Erode