Hay-on-Wye in Hay is a sub-office of Hereford, and therefore although in Wales has an English postal address, being part of the HR3 postcode. Hay-on-Wye is a Welsh community with a Town Council. Its boundary follows the English border/Dulas Brook from the River Wye southeastwards for just over a kilometre, turns south-west to a point just south of Oakfield house, thence north to Greenpit Farm and north westwards, enclosing the Hay Showground and meeting the National Park boundary near the B4350, Brecon Road. From this point, it follows the National Park boundary to the River Wye and the river back to
England and Wales framework and history. England and Wales England and Wales () is a legal jurisdiction covering England and Wales, two of the four nations of the United Kingdom. "England and Wales" forms the constitutional successor to the former Kingdom of England and follows a single legal system, known as English law. The devolved National Assembly for Wales () was created in 1999 by the Parliament of the United Kingdom under the Government of Wales Act 1998 and provides a degree of self-government in Wales. The powers of the Assembly were expanded by the Government of Wales Act 2006, which allows it