JamiahMasjid

Palaiya Jumma Palli or Meen Kadai Palli, is believed to be the fourth oldest mosque in the world and the first mosque in India. It is located in Kilakarai, an ancient port town in Tamil Nadu. It was built-in 628-630 AD and was re-constructed in 1036.

source: https://en.wikipedia.org/wiki/Palaiya_Jumma_Palli