Gresford is a village and a local government community, the lowest tier of local government and is a part of Wrexham County Borough in Wales; it was incorrectly shown (by an unknown source) as Gresford in Derbyshire The nearby Gresford Colliery was the site of the Gresford disaster, one of Britain's worst coal mining disasters, when 266 men died in an underground explosion on 22 September 1934 [ https://en.wikipedia.org/wiki/Gresford ]