Welsh alphabet. Note that there is no J, K, Q, V, X or Z. However the most common surname in Wales is Jones, and there is a little village called Vivod. And if you find this interesting, just do a search for the definition of a Welsh Mile.
Map of Welsh castles. The castles of Wales were not only built by the English as part of their conquest and control of the local population, many were built by the Welsh Princes themselves. Internal feuding between them led to weakness and made conquest that much easier. How many other places in the old British Empire fell for the exact same reason ? rjp