Thank you for your help. 
 How are Coimbatore's international relations being a city of Tamil Nadu? 
 I have no idea where Coimbatore is. Could you help? 
 Yeah, certainly. Coimbatore is the second largest city in the Tamil Nadu, after Chennai. It forms a part of ancient Kongu Nadu region of South India. 
 Any other information can you tell me about international relations of the city
Yeah, certainly. Coimbatore is the second largest city in the Tamil Nadu, after Chennai. It forms a part of ancient Kongu Nadu region of South India.