Deeside (Welsh: Glannau Dyfrdwy) is the name given to a predominantly industrial conurbation of towns and villages in Flintshire and Cheshire on the Wales–England border lying near the canalised stretch of the River Dee that flows from neighbouring Chester into the Dee Estuary. These include Connah's Quay, Shotton, Queensferry, Aston, Garden City, Sealand, Broughton, Bretton, Hawarden, Ewloe, Mancot, Pentre, Saltney and Sandycroft. The population is around 50,000, with a plurality (17,500) living in Connah's Quay.Deeside is known for its industry, providing jobs for the people of Cheshire, Merseyside and North Wales. The biggest employment area in Deeside is Deeside Industrial Park, located on the north bank of the Dee on the southern edge of the Wirral peninsula, which has both historical and contemporary significance, and provides Deeside and the surrounding area with jobs in many different industries from construction to food production. Deeside is also home to steel manufacturer Tata Steel and Toyota's highly advanced engine manufacturing plant.

Source: https://en.wikipedia.org/