Wondering where to buy a Caernarfonshire county flag / flags? Midland based flag company in the city of Stoke on Trent. Flags measure 5ft x 3ft and also 6 inch x 4 inch; small table flags just the right size for children to wave. The Caernarfonshire flag is the flag of the historic Welsh county of Caernarfon. The origins of the emblem of the three eagles arranged in fess on a green field revolve around the ancient King of Gwynedd, Owain Gwynedd, to whom the symbol was attributed as his coat of arms. The flag of Caernarfonshire was registered in March 2012 following extensive research into its history and association with the county. Buy a Caernarfonshire flag for Caernarfonshire Day on 28th November. Caernarfon display flag same day dispatch.