Eral is a town in Tuticorin district (is also known as Toothukudi district) of the southern state of India, Tamil Nadu. Srivaikuntam is located in the east at a distance of 9 km. and Nazareth is located in the north at a distance of 8 km. Eral is situated 37 km. from Tirunelveli and 5 km. from Sayarpuram. Nazareth Railway Station and Srivaikuntam Railway Station are the nearest railway stations and the Tuticorin Airport is the nearest airport. It is located between 8.63° North latitude and 78.02° East longitude at a height of 13 metres (42 feet) above mena sea level.

As of the 2001 India census report, Eral had a small population of 9284 inhabitants. Males constitute 49 % of the population while females constitute 51% of the population. In Eral, 11% of the population is less than six years of age. Eral has an average literacy rate of 81%. This is much higher than the national average literacy rate of 59.5%. The male literacy rate is 84% and the female literacy rate is 78%.

The Vaishnavite center of Alwar Tirunagari is just 8 km from Eral and Tirchendur, one of the six abodes of Lord Muruga, is 16 km south of Eral. Kurumbur, famous for Adi Narayana Temple, is also located in the vicinity. Kadal Karai Palli (the first mosque of the town) and Kutba Periya Palli at Kayalpatnam are two important mosques of this town.