Whales are not castles they are animals
It depends
Wales has the most castles per square miles, in the world.
I was brought up to believe that Wales has the most castles per square kilometre than any other country in Europe. Spain's nickname in Europe is "The Land of Castles", having the most and largest castles of Europe.
england has the most castles or scotlend
Harlech castle is in Wales.
Wales
There are many spectacular castles, historic buildings and ruins in Wales. In Cardiff, the capital, famous buildings include Cardiff Castle and Millennium Stadium.
The most famous example of a 19th century castle is Neuschwanstein in southern Germany. Other castles include:Gwyrch Castle (Wales)Bryn Bras Castle (Wales)Penrhyn Castle (Wales)
Wales is said to contain the most castles per square mile in the world. With over 600 castles, Wales has a rich history of fortifications dating back to the medieval period.
The early castles along the English -Welsh border were built by the Normans to protect their newly acquired country. 300 years later more castles were built by Edward I as part of his efforts to conquer Wales.
To keep the Welsh out!