Where In the world am I? question Number 25?

I'm in a popular tourist village in Gwynedd, North Wales. It was designed and built by Sir Clough Williams-Ellis between 1925 and 1975 in the style of an Italian village and is now owned by a charitable trust.it has served as the location for numerous films and television shows, most famously serving as The Village in the 1960s television show The Prisoner. Where am I?