Anglo-Scottish border north of the boundary for oil installations established by the Civil Jurisdiction (Offshore Activities) Order 1987. The border country, historically known as the Scottish Marches, is the area either side of the Anglo-Scottish border including parts of the modern council areas of Dumfries and Galloway and the Scottish Borders, and parts of the English counties of Cumbria and Northumberland. It is a hilly area, with the Scottish Southern Uplands to the north, and the Cheviot Hills forming the border between the two countries to the south. From the Norman conquest of England until the reign of James VI of Scotland,
Northumberland Northumberland Northumberland (; abbreviated Northd) is a county in North East England. The northernmost county of England, it borders Cumbria to the west, County Durham and Tyne and Wear to the south and the Scottish Borders to the north. To the east is the North Sea coastline with a path. The county town is Alnwick, although the County council is based in Morpeth. The county of Northumberland included Newcastle upon Tyne until 1400, when the city became a county of itself. Northumberland expanded greatly in the Tudor period, annexing Berwick-upon-Tweed in 1482, Tynedale in 1495, Tynemouth in 1536, Redesdale around