Caernarfon, Gwynedd, Wales Genealogy

History
In 1868: "CARNARVON, (or Caernarvon), a market town, port, municipal and parliamentary borough, in the parish of Llanbeblig, hundred of Is-Gorfai, in the county of Carnarvon, of which it is the chief town. It is 235 miles to the N.W. of London by road, or 240 miles by railway... Carnarvon is pleasantly situated on the E. side of the Menai Strait, where the river Seiont falls into it. Close by is the site of the Roman station Segontium, the most important in North Wales, and which was also named Caer Custeint, or "fort of Constantine," and Caer-yn-Arvon, from its situation opposite to Mona, the Isle of Anglesey. Watling Street connected Segontium with Deva (Chester)." [From The National Gazetteer of Great Britain and Ireland (1868)]

For more information on Caernarfon see Genuiki

Maps and Gazetteers
Vision of Britain - Caernarfon