Context_1 : The River Irk is a river in North West England that flows through the northern suburbs of Manchester before merging with the River Irwell in the city centre. Context_2 : Freehold is a tram stop on the Oldham and Rochdale Line (ORL) of Greater Manchester's light-rail Metrolink system. It opened to passengers on 13 June 2012 as part of Phase 3a of the system's expansion, and is located on Block Lane in Chadderton at its boundary with Oldham in the Metropolitan Borough of Oldham, England. Context_3 : Block Lane is a locality in the town of Chadderton in the Metropolitan Borough of Oldham, Greater Manchester. It is located on Chadderton's eastern border with Oldham, contiguous with the Freehold area of that town, and with Cowhill and Butler Green. Context_4 : Busk is a locality and former hamlet in the town of Chadderton in the Metropolitan Borough of Oldham, Greater Manchester, England. It is located to the east of Chadderton town centre, on the town's eastern border with Oldham, contiguous with the Westwood area of that town. Context_5 : Chadderton (pop. 34,818) is a town within the Metropolitan Borough of Oldham, in Greater Manchester, England. It lies along the course of the River Irk and the Rochdale Canal, on undulating land in the foothills of the Pennines, 1 mi west of Oldham, 4.5 mi south of Rochdale and 6 mi northeast of the city of Manchester. Context_6 : South Chadderton is a tram stop on the Oldham and Rochdale Line (ORL) of Greater Manchester's light-rail Metrolink system. It opened to passengers on 13 June 2012 and is located between Drury Lane and Stanley Road in the Coalshaw Green area of southern Chadderton, a part of the Metropolitan Borough of Oldham, England. It was purpose-built for Metrolink as part of Phase 3a of the system's expansion, on the route of the former Oldham Loop Line. Context_7 : North Chadderton School is a mixed gender secondary school and sixth form, located in Chadderton, in the Metropolitan Borough of Oldham, Greater Manchester, England. Context_8 : The Radclyffe School is a mixed comprehensive school for 11- to 16-year-olds, located in Chadderton, Greater Manchester, England. Context_9 : Blessed John Henry Newman RC College is a coeducational Roman Catholic secondary school and sixth form located in Chadderton in the Metropolitan Borough of Oldham, Greater Manchester, England under the Roman Catholic Diocese of Salford. Context_10 : Middleton Junction Railway Station was on the Caldervale Line, from 1842 until closure on 3 January 1966. It was located at Lane End in Chadderton, a former hamlet which later adopted the place-name Middleton Junction after the area expanded after the opening of the railway. It was opened on 31 March 1842 by the Manchester and Leeds Railway, whose chief engineer was George Stephenson, as part of the branch to . The station was originally called Oldham Junction but by August 1842 it was known as Middleton Station, changing its name to Middleton Junction some ten years later. fact_1 :  It lies along the course of the River Irk and the Rochdale Canal, on undulating land in the foothills of the Pennines, 1 mi west of Oldham, 4.5 mi south of Rochdale and 6 mi northeast of the city of Manchester. fact_2 : The River Irk is a river in North West England that flows through the northern suburbs of Manchester before merging with the River Irwell in the city centre. Answer: North West England
Output: Where is Chadderton located?