Swansea at the mouth of the river Tawe, covering in the county of Glamorgan. There were three major extensions to the boundaries of the borough, first in 1835, when Morriston, St Thomas, Landore, St John-juxta-Swansea, and part of Llansamlet parish were added, and again in 1889 when areas around Cwmbwrla and Trewyddfa were included, and in 1918 when the borough was enlarged to include the whole of the ancient parish of Swansea, the southern part of Llangyfelach parish, all of Llansamlet parish, Oystermouth Urban District and Brynau parish. In 1889, Swansea attained county borough status, and it was granted city status
River Loughor River Loughor The River Loughor () () is a river in Wales which marks the border between Carmarthenshire and Swansea. The river has its source at an underground lake at the Black Mountain and emerges at the surface from Llygad Llwchwr which translates from the Welsh as "eye of the Loughor". It flows past Ammanford and Hendy in Carmarthenshire and Pontarddulais in Swansea. The river divides Carmarthenshire from Swansea for much of its course and it separates Hendy from Pontarddulais at the point where the river becomes tidal. The Loughor meets the sea at its estuary near the town of