Jajmau also known as Jajesmow during British Era, is a suburb of Kanpur, India. It is situated on the banks of the Ganges River. Jajmau is an industrial suburb. It has the population of about 652,831 according to census 2011. It is believed to be the oldest inhabited place in the region. The main industry is the leather industry. It is home to some of the biggest leather tanneries in Northern India. The excavations conducted here by the Archaeological Survey of India suggest that it dates back to c. 1300 – 1200 BCE. Earthen pottery, tools and various historical artifacts discovered by the Archaeological Survey of India are presently kept in the Kanpur Sangrahalaya. The area comes under the jurisdiction of Kanpur metropolitan area.