Were is caernarfon castle to in wales?

Situated at Castle Ditch, Caernarfon LL55 2AY

Caernarfon is a North Wales town on the Menai Straits

Castle Ditch, Caernarfon LL55 2AY
Caernarfon is a North Welsh town on the Menai Straits opposite the island of Anglesey.