Apart from this, North Wales is also famous for the beautiful castles scattered all over. Most of these castles were built by Edward I following his conquest of Gwynedd in 1283. Caernarfon Castle is highly magnificent and is located on the banks of the River Seiont at the southern end of the Menai Strait between north Wales and Anglesey, 8 miles south west of Bangor.
It was built not only as a military stronghold but also as a seat of government and a royal palace. The majestic walls and battlements of the Castle tower above the walled town, also built by Edward I. The walls are said to have been modelled on those of Constantinople. His son, the first English Prince of Wales, (later King Edward II of England). was born here in 1284.
It was also the scene of the coronation of the Prince of Wales in 1969, and with this the Castle gained worldwide fame. ,
With its historic rankings, Caernarfon Castle is recognized as a World Heritage Site.
You can also read more about it here.