The area being surveyed is in the Mainpuri district of the Agra division. It is in the widest part of the Ganga-Yamina Doab, between 26°53' and 27°31' north latitude and 78°27' and 79°26' east longitude. It is surrounded by the districts of Etah to the north, Farrukhabad to the east, Etawah and Agra to the south, and Agra and Etah to the west. The district covers 1689 square miles, which is less than the average size of a district in the State. In 1951, there were 9.9 lakh people living in the district. The district was 594 square miles, while the state as a whole was 557 square miles. The area of the survey is in tahsil Karhal, where the population density was only 517 sq. miles.