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Historic counties of Wales

Historical sub-divisions of Wales

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The counties

The following population totals of the historical counties were collated by The Historic Counties Trust. The group used ward populations gathered by the ONS from the 2011 Census.

Despite being created at the same Act as the other counties, Monmouthshire was included with English counties for legal purposes until 1974. Between 1536 and 1974 the formulation "Wales and Monmouthshire" was frequently used.

The 1535 Laws in Wales Act abolished the marcher lordships within and on the borders of Wales. In the border areas, several were incorporated in whole or in part into English counties. The lordships of Ludlow, Clun, Caus and part of Montgomery were incorporated into Shropshire; and Wigmore, Huntington, Clifford and most of Ewyas were included in Herefordshire.

The historic counties established by 1535 were used as the geographical basis for the administrative counties, governed by county councils, which existed from 1889 to 1974. The historian William Rees said, in his 1959 Historical Atlas of Wales: "the boundaries of the modern shires have largely been determined by the ancient divisions of the country. The survival of these ancient local divisions within the pattern of historical change constitutes a vital element in the framework of the national life and helps to preserve its continuity."

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