Among the states you provided as options (Andhra Pradesh, Gujarat, Karnataka, and Tamil Nadu), Tamil Nadu is the smallest in terms of area. Tamil Nadu is located in the southern part of India and has an area of approximately 130,058 square kilometers (50,216 square miles).
To provide further context, here are the areas of the other states mentioned:
Andhra Pradesh: Andhra Pradesh is the eighth-largest state in India and has an area of about 160,205 square kilometers (61,855 square miles).
Gujarat: Gujarat is the ninth-largest state in India and has an area of around 196,024 square kilometers (75,685 square miles).
Karnataka: Karnataka is the seventh-largest state in India and has an area of approximately 191,791 square kilometers (74,051 square miles).
Once again, I apologize for the incorrect information in my previous response and thank you for bringing it to my attention.