Accrington is a town in the Hyndburn borough of Lancashire, England. It lies about 4 miles east of Blackburn, 6 miles west of Burnley, 13 mileā¦Accrington is a town in the Hyndburn borough of Lancashire, England. It lies about 4 miles east of Blackburn, 6 miles west of Burnley, 13 miles east of Preston, 20 miles north of Manchester and is situated on the culverted River Hyndburn. Commonly abbreviated by locals to "Accy", the town has a population of 35,456 according to the 2011 census. Accrington is the largest settlement and the seat of the Hyndburn borough council.