Cadw is the historic environment service for Wales, and looks after 132 historic monuments across Wales, many of which are available for hire for third parties to hold events.
Cadw yw gwasanaeth amgylchedd hanesyddol Cymru, ac mae'n gofalu am 132 o henebion hanesyddol ledled Cymru, y mae llawer ohonynt ar gael i'w llogi i drydydd partïon gynnal digwyddiadau.