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
St Mary’s Church, Hay-on-Wye the eighteenth century, and upon a recent visit we only found one dated in the seventeenth, and that one as late as "1694." St Mary’s Church, Hay-on-Wye St Mary's (also St Mary the Virgin) is an Anglican parish church in Hay-on-Wye, Brecknockshire, Powys, Wales. Separated by a deep dingle, which probably was formerly a moat, it is situated westward of the town upon an almost precipitous eminence, near to the River Wye. An earlier church, dedicated to St. John, called Eglwys Ifan, appears from the "Notitia Cambro-Britannica", to have been in good repair in 1684, and then used as a