Blackburn is a large town in Lancashire, England. It lies to the north of the West Pennine Moors on the southern edge of the Ribble Valley, east of Preston,  NNW of Manchester and north of the Greater Manchester border. Blackburn is bounded to the south by Darwen, with which it forms the unitary authority of Blackburn with Darwen; Blackburn is its administrative centre. At the time of the UK Government's 2001 census, Blackburn had a population of 105,085, whilst the wider borough of Blackburn with Darwen had a population of 140,700. Blackburn had a population of 106,537 in 2011, a slight increase since 2001. Blackburn is made up of fifteen wards in the Northeast of the surrounding borough.