Megnanapuram lies in the southern side of Tuticorin District, at about 6 km east of Sattankulam and 11 km south of Nazareth. Udankudi is the nearest town.
Tiruchendur is a Hindu pilgrim center at about 15 km away. The tourist destinations such as Kulasekarapattinam and Manapad are 11 km and 12 km from Megnanapuram. Alwar Tirunagari (famed Vaishnavite center) and Kayalpatnam are nearby.