Deal Castle is located in Deal

Deal, Kent

Deal is a town in Kent England. It lies on the English Channel eight miles north-east of Dover and eight miles south of Ramsgate. It is a former fishing, mining and garrison town...

, Kent

Kent

Kent is a county in southeast England, and is one of the home counties. It borders East Sussex, Surrey and Greater London and has a defined boundary with Essex in the middle of the Thames Estuary. The ceremonial county boundaries of Kent include the shire county of Kent and the unitary borough of...

, England

England

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 is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, between Walmer Castle

Walmer Castle

Walmer Castle was built by Henry VIII in 1539–1540 as an artillery fortress to counter the threat of invasion from Catholic France and Spain. It was part of his programme to create a chain of coastal defences along England's coast known as the Device Forts or as Henrician Castles...

 and the now lost Sandown Castle

Sandown Castle, Kent

Sandown Castle was one of Henry VIII's Device Forts or Henrician Castles built at Sandown, North Deal, Kent as part of Henry VIII's chain of coastal fortifications to defend England against the threat of foreign invasion. It made up a line of defences with Walmer Castle and Deal Castle to protect...

 .
It is one of the most impressive of the Device Forts

Device Forts

The Device Forts, also known as Henrician Castles, are a series of artillery fortifications built to defend the southern coast of England by Henry VIII. After his divorce of Catherine of Aragon England was left politically isolated, and the peace of Nice between France and Spain in 1538 aroused...

 or Henrician Castles built by Henry VIII

Henry VIII of England

Henry VIII was King of England from 21 April 1509 until his death. He was Lord, and later King, of Ireland, as well as continuing the nominal claim by the English monarchs to the Kingdom of France...

 between 1539 and 1540 as an artillery fortress to counter the threat of invasion from Catholic France and Spain. It is shaped like a Tudor rose

Tudor rose

The Tudor Rose is the traditional floral heraldic emblem of England and takes its name and origins from the Tudor dynasty.-Origins:...

, being perfectly symmetrical, with a low, circular keep

Keep

A keep is a type of fortified tower built within castles during the Middle Ages by European nobility. Scholars have debated the scope of the word keep, but usually consider it to refer to large towers in castles that were fortified residences, used as a refuge of last resort should the rest of the...

 at its centre. Around the circumference of the keep are six bastions, with a further series of six bastions in the curtain wall

Curtain wall (fortification)

A curtain wall is a defensive wall between two bastions of a castle or fortress.In earlier designs of castle the curtain walls were often built to a considerable height and were fronted by a ditch or moat to make assault difficult....

, one of which serves as the gatehouse

Gatehouse

A gatehouse, in architectural terminology, is a building enclosing or accompanying a gateway for a castle, manor house, fort, town or similar buildings of importance.-History:...

.