Sai and the Ganges are the main rivers flowing through Pratapgarh district. The district lies between the parallels of 25°34′ and 26°11′ north latitude and between the meridians of 81°19′ and 82°27′ east longitude extending for some 110 kilometres (68 mi) from west to east. It is bounded on the north by the district of Sultanpur, on the south by Allahabad, on the east by Jaunpur, on the west by Fatehpur and north-west by Raebareli. In the south-west the Ganges forms the boundary of the district for about 50 kilometres (31 mi). Separating it from Fatehpur and Allahabad and in the extreme north-east the Gomti forms the boundary for about 6 kilometres (3.7 mi). According to the Central Statistical Organization (Central Statistics Office), India, the district has an area of 3,730 square kilometres (1,440 sq mi).