The most famous castle in Wales is Caernarfon Castle, ranked #148 of 9,079 in the world — followed by Conwy Castle and Pembroke Castle.
The Castle Map atlas charts 46 castles, 3 fortresses, 3 palaces & châteaux and 55 ruins in Wales. They span more than 17 centuries — from Isca Augusta (founded c. 75) to Stack Rock Fort (1850). Every one is plotted with its photo and story on the interactive castle map of Wales.
How many castles are there in Wales?
Map of castles in Wales
On the map they cluster thickest around Swansea — 74 within a 100 km day trip, then Cardiff (57) and Wrexham (34). The northernmost is Deganwy Castle, the southernmost Barry Castle — about 215 km apart.
Planning a visit? Day-trip guides: Castles near Cardiff · Castles near Swansea · Castles near Wrexham.
By region: Castles in North Wales.
Castle routes in Wales: Edward I’s ring of iron (8 stops, Flint to Beaumaris). See all 22 castle routes.
See them on the map →When they were built
Of the 107 landmarks mapped in Wales, 100 carry a sourced founding date. Most were founded in the 13th century — 34 of them. 90 predate 1500 and 4 were built after 1700.