St John De Britto Catholic Church is located at
Oriyur in
Ramanathapuram District. St John de Britto, a Portugese Jesuit was martyred here in 1693. People believe that the sand dune of this place turned red after the Saint’s death. Devotees claim to be cured of incurable diseases after applying the red sand on their bodies. This phenomenon attracts devotees to this shrine.
Nearest airport is at Madurai.