Meysydd y Coleg Carmarthen Carmarthenshire Often known as the ‘Garden of Wales’, Carmarthenshire is a county of diverse landscapes, encompassing gardens, parks, moors, coastal paths and sandy beaches. Carmarthen Carmarthenshire Local Information All mileage/times are approximate. Photography: Front cover: The Great Glasshouse, National Botanic Garden of Wales. Above left: Carmarthen. Above right: Abergalsnevy Gardens.