City Union Bank Limited is in Follwing Districts in Tamil Nadu State

Ariyalur
Chengalpattu
Chengalpet
Chennai
Coimbatore
Cuddalore
Dharmapuri
Dindigul
Erode
Kallakurichi
Kancheepuram
Kanyakumari
Karur
Krishnagiri
Madurai
Nagapatnam
Nagapattinam
Namakkal
Perambalur
Puducherry
Pudukkottai
Pudukottai
Ramanathapuram
Ranipet
Salem
Sivaganga
Tenkasi
Thanjavaur
Thanjavur
Theni
Thiruvallur
Thiruvannamalai
Thiruvarur
Tiruchirapalli
Tirunelveli
Tiruppur
Tiruvallur
Tiruvanamalai
Tiruvannamalai
Tiruvarur
Toothukudi
Trichy
Tuticorin
Vellore
Villupuram
Virudhunagar