Tamil Nadu, located in the southern part of India, is known for its rich cultural heritage and the Tamil language. If you plan on visiting this vibrant state or simply want to learn a new way to greet someone, knowing how to say hello in Tamil Nadu is a great starting point. In this guide, we'll explore both formal and informal ways to say hello, providing tips, examples, and even regional variations if necessary. So let's dive in and discover the beauty of Tamil Nadu through its warm greetings!