Authoor is a panchayat town in Thoothukudi district of the Indian state of Tamil Nadu.

Authoor is a green town, surrounded by rice paddies and banana trees.

The Thamirabarani River flows through the area, forming a big lake on one end.

[4] After filing the application in November 2020, the Betel leaf was granted the GI tag in 2023 by the Geographical Indication Registry in Chennai, making the name "Authoor Vetrilai" exclusive to the Betel leaf cultivated in the region.

[5][6][7] The prestigious GI tag, awarded by the GI registry, certifies that a product possesses distinct qualities, adheres to traditional production methods, and has earned a reputation rooted in its geographical origin.