English: Parks and Gardens of Special Historic Interest
Welsh: Parciau a Gerddi o Ddiddordeb Hanesyddol Arbennig
Subject: Cynllunio
English definition: Parks and gardens containing historic features dating from 1939 or earlier and registered by English Heritage in three grades as with historic buildings.
Welsh definition: Parciau a gerddi yn cynnwys nodweddion hanesyddol yn dyddio o 1939 neu'n gynharach ac wedi eu cofrestru gan English Heritage mewn tair graddfa fel gydag adeiladau hanesyddol.