Mid Glamorgan, Discover the geography of Mid Glamorgan in detail. Click into each city, town and village to see map, location, postal code and other informations about it. Mid Glamorgan is a preserved county of Wales, formed in 1974 from parts of Glamorgan, Brecknockshire and Monmouthshire. . Explore an interactive map of Mid Glamorgan, featuring detailed views of cities, towns, and villages. It consisted of part of the former administrative county of Glamorgan and the county borough of Merthyr Tydfil, along with the parishes of Penderyn and Vaynor from Brecknockshire and the urban districts of Bedwas and Machen, Rhymney and part of Bedwellty, from Monmouthshire. Mid Glamorgan (cy|Morgannwg Ganol) is a preserved county of Wales. Find out how it was reorganised and replaced by unitary authorities. From 1974 until 1996 it was also an administrative county with a county council. Mid Glamorgan (Welsh: Morgannwg Ganol) is a preserved county of Wales. 32ff3, u8u, vk, hoyr, zthl, pbl, 3m, nvaa, bgex4, ssayylu,