Marehra is a prominent city situated in the Etah district of the northern state of India, Uttar Pradesh. It is situated in the northwestern part of the district. It is situated in the south of Etah, the district headquarters at a distance of 15 kms. It is well connected to the nearby towns of Kachaura, Gangiri, Marahchi and Pilwa by road. The nearest railway station is the Marehra Railway Station, a small station between Sikandra Rao and Kasganj. The nearest airport is the Agra Civil Enclaves.

Marehra is famous for plums, mangoes and glass bangles. The agricultural market town of Kasganj is a center of cotton and sugar processing and lies in the north of Marehra at a distance of 12 kms. The renowned Sufi Syeds were settled in Marehra. Prime attractions around Marehra include Soron and Patna Bird Sanctuary.

As per the Indian Census report of 2001, Marehra had a population of 17,772. To be specific, males account for 53% of the population and females comprises of the remaining 47%. In Marehra, 18% of the population is less than six years of age. The average literacy rate of Marehra is 40%, which is lower than the national average literacy rate, which is 59.5%. Out of it, the male literacy rate is 49% and the female literacy rate is 30%.