Machynlleth, Powys Located in Wales, U.K. Campsites: An index of camp and caravan sites in Machynlleth, Powys. Includes addresses and contact information. Location: Machynlleth is located in Powys, Wales. The location of England and Wales is identified on this world map. Includes links to counties throughout England and Wales. Powys News: Vintage bus in town tourism drive An old bus is being used to help breathe new life into the tourist industry in the Powys town of Welshpool. Tories make major gains in Powys The Conservatives win nine seats in Powys while in Ceredigion, Plaid Cymru becomes the largest party. Powys Towns and Villages: Brecon - Builth Wells - Caereinion - Crickhowell - Hay-on-Wye - Lake Vyrnwy - Llandrindod Wells - Llanfyllin - Llangynog - Llanidloes - Llansantffraed Ym Mechain - Machynlleth - Montgomery - Newtown - Pen-y-Cae - Presteigne - Welshpool Placenames Around the World