Swansea Mawr are able to speak Welsh, as can 38% of the ward of Pontarddulais. Clydach, Kingsbridge and Upper Loughor all have levels of more than 20%. By contrast, the urban St. Thomas has one of the lowest figures in Wales, at 6.4%, a figure only barely lower than Penderry and Townhill wards. Local produce includes: The city has three Grade One listed buildings: Swansea Castle, the Tabernacle Chapel, Morriston and the Swansea Guildhall. Swansea Castle was an impressive building occupying a strategic position above the River Tawe. The ruins that are visible today date from the late 13th and early
Swansea northwest is the urban and suburban zone stretching from the Swansea city centre to the towns of Gorseinon and Pontarddulais. The most populated areas of Swansea are Morriston, Sketty and the city centre. The chief urbanised area radiates from the city centre towards the north, south and west; along the coast of Swansea Bay to Mumbles; up the Swansea Valley past Landore and Morriston to Clydach; over Townhill and Mayhill to Cwmbwrla, Penlan, Treboeth and Fforestfach; through Uplands, Sketty, Killay to Dunvant; and east of the river from St. Thomas to Bonymaen, Llansamlet and Birchgrove. A second urbanised area is