Question: Padgate is a suburb of an english town on the banks of the River Mersey whose population was estimated to be 208800 in 2016 but in which unitary authority area is it located?

Context paragraphs:
Elton, Cheshire: Elton is a village and civil parish in the unitary authority of Cheshire West and Chester and the ceremonial county of Cheshire, England.  It is situated approximately 13 km to the northeast of Chester, between Helsby and Ellesmere Port, near to the River Mersey.  Its proximity to the River Mersey and the Manchester Ship Canal have contributed to its industrial character.  The village is on the north-western edge of the Cheshire plain, approximately 2.5 km from Stanlow Refinery, a Shell facility and the seventh largest oil refinery in Europe.  The refinery produces one-sixth of the United Kingdom's petrol.

Borough of Halton: Halton is a local government district in the ceremonial county of Cheshire in North West England, with borough status and administered by a unitary authority.  It was created in 1974 as a district of the non-metropolitan county of Cheshire, and became a unitary authority area on 1 April 1998.  Since 2014 it has been a member of the Liverpool City Region Combined Authority.  The borough consists of the towns of Runcorn and Widnes and the civil parishes of Hale, Daresbury, Moore, Preston Brook, Halebank and Sandymoor.  The district borders Merseyside, Warrington and Cheshire West and Chester.  The borough straddles the River Mersey – the area to the north (including Widnes) is historically part of Lancashire, that to the south (including Runcorn) part of Cheshire.

Widnes: Widnes is an industrial town in the unitary authority of Halton and the ceremonial county of Cheshire in Northwest England.  In 2011 it had a population of 60,221.  Historically in Lancashire, it is on the northern bank of the River Mersey where the estuary narrows to form the Runcorn Gap.  Directly to the south across the Mersey is the town of Runcorn.  Upstream and 8 mi to the east is the town of Warrington, and downstream to the west is Speke, part of the city of Liverpool.

Cantref Reservoir: Cantref Reservoir is the middle of the three reservoirs in the Taff Fawr valley in Wales.  It is owned by Welsh Water.  It is located in the Brecon Beacons National Park, mostly in the Powys unitary authority area and within the historic county boundaries of Breconshire.  Part of the south west corner is in the Rhondda Cynon Taff unitary authority area.

North East Lincolnshire: North East Lincolnshire is a unitary authority area in the Yorkshire and the Humber region of England, bordering the unitary authority of North Lincolnshire and the non-metropolitan county of Lincolnshire.  The population of the Unitary Authority at the 2011 Census was 159,616.  These three administrative units make up the ceremonial county of Lincolnshire.

Listed buildings in Warrington (unparished area): Warrington is a town, borough and unitary authority area of Cheshire, England.  The unitary authority contains 18 civil parishes, which are distributed around its periphery.  Its central area, including the town, is unparished.  This list contains the 141 structures in the unparished area that are designated by English Heritage as listed buildings and included in the National Heritage List for England.  Of these, three buildings are listed at Grade I, and ten at Grade II*.  The remaining buildings are listed at Grade II.  The listed buildings in the civil parishes are included in separate lists.

Llwyn-on Reservoir: Llwyn-on Reservoir is the largest and southernmost of the three reservoirs in the Taff Fawr valley in South Wales.  It is owned by Welsh Water.  It is located in the Brecon Beacons National Park.  The eastern half is in the Merthyr Tydfil unitary authority area and the western half is in the Rhondda Cynon Taff unitary authority area.  The reservoir is within the historic county boundaries of Breconshire.  The dam is adjacent to Llwyn-On village.

Padgate: Padgate is a suburb of the English town and unitary authority of Warrington, Cheshire.  It belongs to the civil parish of Poulton-with-Fearnhead.

Warrington: Warrington is a large town and unitary authority area in Cheshire, England, on the banks of the River Mersey, 20 mi east of Liverpool, and 20 mi west of Manchester.  The population in 2016 was estimated at 208,800, more than double that of 1968 when it became a New Town.  Warrington is the largest town in the county of Cheshire.

Borough of Darlington: Darlington is a unitary authority area in the ceremonial county of County Durham, north-east England.  It borders the non-metropolitan county of County Durham to the north and west, Stockton-on-Tees to the east and North Yorkshire to the south along the line of the River Tees.  The urban centre and the base of the borough is the town of Darlington.  In 2011 it had a resident population of 106,000.  The borough is a member of the Tees Valley combined authority area.

Supporting paragraphs: Padgate Warrington
Answer: Cheshire