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.