Information:  - Benington Castle is a ruined castle in the village of Benington , near Stevenage in Hertfordshire at grid reference TL296236 . It is a scheduled ancient monument . It was built as a motte and bailey fortress in the late 11th or early 12th century , founded by Peter de Valoignes . In 1136 , Roger de Valoignes built a stone castle with a keep . In 1177 , King Henry II ordered that the tower be demolished but in 1192 the castle was in use again . It was finally destroyed in 1212 , after Robert Fitzwalter rebelled against King John . Only the foundations of the keep and some earthworks now remain . In 1832 , George Proctor added a neo-Norman gatehouse , summerhouse and curtain wall .  - England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west. The Irish Sea lies northwest of England and the Celtic Sea lies to the southwest. England is separated from continental Europe by the North Sea to the east and the English Channel to the south. The country covers five-eighths of the island of Great Britain (which lies in the North Atlantic) in its centre and south; and includes over 100 smaller islands such as the Isles of Scilly, and the Isle of Wight.  - A town is a human settlement larger than a village but smaller than a city. The size definition for what constitutes a "town" varies considerably in different parts of the world.  - Hertfordshire (often abbreviated Herts) is a county in southern England, bordered by Bedfordshire to the north, Cambridgeshire to the north-east, Essex to the east, Buckinghamshire to the west and Greater London to the south. For government statistical purposes, it is placed in the East of England region.  - Southern England, or the South of England, also known as the South, refers roughly to the southern counties of England. The extent of this area can take a number of different interpretations depending on the context, including geographical, cultural, political and economic.  - Welwyn Garden City , also known locally as "WGC" or "Welwyn Garden", is a town in Hertfordshire, England. It is located approximately from Kings Cross, London. Welwyn Garden City was the second garden city in England (founded 1920) and one of the first new towns (designated 1948).  - London is the capital and most populous city of England and the United Kingdom, as well as the most populous city proper in the European Union. Standing on the River Thames in the south east of the island of Great Britain, London has been a major settlement for two millennia. It was founded by the Romans, who named it "Londinium". London's ancient core, the City of London, largely retains its medieval boundaries. Since at least the 19th century, "London" has also referred to the metropolis around this core, historically split between Middlesex, Essex, Surrey, Kent, and Hertfordshire, which today largely makes up Greater London, governed by the Mayor of London and the London Assembly.  - Hertford is the county town of Hertfordshire, England, and is also a civil parish in the East Hertfordshire district of the county. Forming a civil parish, the 2011 census put the population of Hertford at about 26,000.  - The East of England is one of nine official regions of England at the first level of NUTS for statistical purposes. It was created in 1994 and was adopted for statistics from 1999. It includes the ceremonial counties of Bedfordshire, Cambridgeshire, Essex, Hertfordshire, Norfolk and Suffolk. Essex has the highest population in the region.  - Bedford is the county town of Bedfordshire, England. It had a population of 107,590 in 2011 together with Kempston but the urban area has a population of about 122,943.  - Stevenage is a town and borough in Hertfordshire, England. It is situated to the east of junctions 7 and 8 of the A1(M), and is between Letchworth Garden City to the north, and Welwyn Garden City to the south.  - Buckinghamshire (or ), abbreviated Bucks, is a county in South East England which borders Greater London to the south east, Berkshire to the south, Oxfordshire to the west, Northamptonshire to the north, Bedfordshire to the north east and Hertfordshire to the east.  - Bedfordshire (or /bdfd/; abbreviated Beds.) is a county in the East of England. It is a ceremonial county and a historic county, covered by three unitary authorities: Bedford, Central Bedfordshire, and Luton.  - Cambridgeshire (or ; abbreviated Cambs.), archaically known as the County of Cambridge, is an East Anglian county in England, bordering Lincolnshire to the north, Norfolk to the north-east, Suffolk to the east, Essex and Hertfordshire to the south, and Bedfordshire and Northamptonshire to the west. The city of Cambridge is the county town. Modern Cambridgeshire was formed in 1974 as an amalgamation of the counties of Cambridgeshire and Isle of Ely and Huntingdon and Peterborough, which had been created in 1965 from the historic counties of Cambridgeshire, Huntingdonshire, the Isle of Ely and the Soke of Peterborough. It contains most of the region known as Silicon Fen.    Given the paragraphs above, decide what entity has the relation 'located in the administrative territorial entity' with 'east hertfordshire'.
The answer to this question is:
benington castle