Caereinion, Powys Located in Wales, U.K. Campsites: An index of camp and caravan sites in Caereinion, Powys. Includes addresses and contact information. Location: Caereinion 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: Knifeman's threats outside shop A group of people were threatened with a knife outside a chip shop in Newtown, Powys, police disclose. 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. 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