Eraniel is a small settlement in Kanyakumari District, Tamil Nadu. Sprawling over an area of around three sq km, it is bounded in the north-west by Neiyyur (Neyyoor), in the south-east by Thalakkulam and in the east by Villukuri. Eraniel is around 50 km from Thiruvananthapuram and 11 km from Colachel Port. Kanyakumari, southern-most tip of India, is nearly 20 km from the town. Nearby tourist destinations include Padmanabhapuram Palace (5 km), Sanguthurai Beach, Manavalakurichi (7 km), Muttam and Nagercoil (15 km).
The nearest airport is Trivandrum International Airport, 51 km away. Eraniel Railway Station serves the town. Eraniel can be approached by road from Nagercoil, Muttam and Colachel.