The Castle, Newcastle, or Newcastle Castle in United Kingdom

The Castle, Newcastle, or Newcastle Castle is a medieval fortification in Newcastle upon Tyne, England, built on the site of the fortress that gave the City of Newcastle its name. The most prominent remaining structures on the site are the Castle Keep (the castle's main fortified stone tower, pictured below right), and the Black Gate, its fortified gatehouse. Use of the site for defensive purposes dates from Roman times, when it housed a fort and settlement called Pons Aelius (meaning 'bridge of (Publius) Aelius (Hadrianus)' - the Roman emperor Hadrian), guarding a bridge over the River Tyne. Robert Curthose, eldest son of William the Conqueror, in 1080 built a wooden motte and bailey-style castle on the site of the Roman fort. Curthose built this 'New Castle upon Tyne' after he returned south from a campaign against Malcolm III of Scotland. Henry II built the stone Castle Keep between 1172 and 1177 on the site of Curthose's castle. Henry III added the Black Gate between 1247 an