(New) Hawarden Castle is a house in Hawarden, Flintshire, Wales. It was the estate of the former British prime minister William Gladstone, having previously belonged to the family of his wife, Catherine Glynne. Built in the mid-18th century, it was later enlarged and externally remodelled in the Gothic taste.

Hawarden is a village and community in Flintshire, Wales. It is part of the Deeside conurbation on the Wales-England border and is home to Hawarden Castle. In the 2011 census the ward of the same name had a population of 1,887, whereas the community of the same name, which also includes Ewloe Mancot and Aston had a population of 13,920. The scenic wooded Hawarden Park abuts the clustered settlement in the south. Hawarden Bridge consists of distribution and industrial business premises beyond Shotton/Queensferry and the Dee. The west of the main street is called The Highway, its start marked by the crossroads with a fountain in the middle, near which are public houses, some with restaurants.