Harlech is a small town in Gwynedd in northwest Wales. The town lies on the Cardigan Bay on the edge of Snowdonia National Park, which merges here with the rock massif of the Harlech Dome in a wide coastal plain. In the Middle Ages the cliff bordering even directly to the Cardigan Bay, but by silting, the sea withdrew over 1.5 km to the west. The upper part of the town lies on a steep cliff that is connected to the lower part of town by a steep, winding road. The city is known for Harlech Castle, one built by Edward I after the conquest of Wales castle, now a World Heritage Site by UNESCO. The town was founded as a settlement in the protection of the castle. Until 1974 she was one of Merionethshire. After the local government reform of 1974 was one of Harlech Gwynedd, which was converted into a Unitary authority 1996th Of the population 63\% speak Welsh. The touristy town lies on the A496, which runs to the south of Snowdonia from Blaenau Ffestiniog to Llanelltyd. It also has a station on the railway Cambrian Coast Railway. In the coastal plain at Harlech lies the 356 hectares of dunes Morfa Harlech, a vast area of ​​up to 10 m high sand dunes that extend between the Mawddach estuary in the south to the Black Rock Sands in the northwest. The dune area is expanding by Sandanwehungen further to the west. It is strictly protected by several nature reserves, but also gives access to wide sandy beaches. Also located in the coastal plain of the Royal St David's Golf Club.