Bridgend County Borough (Welsh: Bwrdeistref Sirol Pen-y-bont ar Ogwr) is a county borough in the south-east of Wales. The county borough has a total population of 139,200 people, and contains the town of Bridgend, after which it is named. Its members of the Senedd are Sarah Murphy MS, representing the Bridgend Constituency, and Huw Irranca-Davies MS representing the Ogmore Constituency, and its members of the UK parliament are Jamie Wallis and Chris Elmore. The county borough lies at the geographical heart of south Wales. Its land area of 110 mi2 (285 km2) stretches 12 miles (20 km) from east to west and occupies the Llynfi, Garw and Ogmore valleys. The largest town is Bridgend (pop: 39,773), followed by Maesteg (pop: 20,700) and Porthcawl (pop: 19,238). It is situated on the Ogmore River and its tributaries, although the Ewenny and Ogwr Fach rivers form the border with the Vale of Glamorgan for much of their length. (Source: Wikipedia.org, CC BY-SA)