There are many castles in the UK. The best known is probably Windsor Castle.
Castle pudding originated in the UK.
Barnard Castle - UK Parliament constituency - was created in 1885.
Barnard Castle - UK Parliament constituency - ended in 1950.
Castle Point - UK Parliament constituency - was created in 1983.
Corfe Castle - UK Parliament constituency - ended in 1832.
Corfe Castle - UK Parliament constituency - was created in 1572.
Castle Rising - UK Parliament constituency - ended in 1832.
Castle Rising - UK Parliament constituency - was created in 1558.
The nearest castle to Lanark that is still occupied to this day is Lee Castle, which sits just on the entrance to the town of Lanark. Held under the Barony of the Baron of the Lee.
There are many castles WITHIN the UK
It's a concentric castle that is to say a castle within in a castle. In addition it also has a moat. It's the largest castle in Wales and the second largest in the UK.
Ben Castle's birth name is Benjamin Castle.