The debut event has been organised by Cadw in partnership with Castle Court Shopping Centre, Caerphilly County Council, Caerphilly Town Council, Transport for Wales and 11 th Hour.
Mae’r digwyddiad wedi cael ei drefnu gan Cadw mewn partneriaeth â Canolfan Siopa Castle Court, Cyngor Sir Caerffili, Cyngor Tref Caerffili, Trafnidiaeth Cymru a 11th Hour.