Wark on Tweed Wark on Tweed Wark on Tweed (usually referred to simply as Wark) is a village in the English county of Northumberland. It lies approximately south west of Berwick-upon-Tweed. It is on the south bank of the River Tweed which marks the border between England and Scotland. The ruins of Wark on Tweed Castle, originally an early 12th century motte-and-bailey, lie at the west end of the village. The border between Scotland and England runs down the middle of the River Tweed, however between the villages of Wark and Cornhill the Scottish border comes south of the river to enclose a
England–Wales border West and Chester, Shropshire, Herefordshire, and Gloucestershire in England. There are several places where the border runs along the centre of a lane or street, resulting in properties on one side of the street being in Wales and those on the other side being in England. Notable examples include Boundary Lane in Saltney and the main street of Llanymynech. Before and during the Roman occupation of Britain, all the native inhabitants of the island (other than the Pictish/Caledonian tribes of what is now northern Scotland—and also excepting the Lloegyr of greater south-east England) spoke Brythonic languages, a sub-family of the