Like all the constituencies covered by the North West Wales Multi-Constituency Conservative Association, Aberconwy is a UK Parliamentary and Welsh Assembly constituency. The Assembly seat was first contested in the 2007 Welsh Assembly elections, the Parliamentary seat in 2010. At the last Parliamentary election it was a Conservative/Labour marginal, whilst at the last Assembly election it was a Conservative/Plaid Cymru/Labour marginal.
The constituency was created from the former Conwy and Meirionydd Nant Conwy constituencies and is based around the boundaries of the former Aberconwy Borough Council area. The main population centres in Aberconwy are Llandudno, Conwy, Llandudno Junction, Penmaenmawr, Llanfarifechan and Llanrwst.
Aberconwy sits within Conwy County Borough and is made up of the following electoral divisions: Betws-y-Coed, Bryn, Caerhun, Capelulo, Conwy, Craig Y Don, Deganwy, Eglwysbach, Gogarth, Gower, Llansanffraid (Glan Conwy), Marl, Mostyn, Pandy, Pant Yr Afon/Penmaenan, Penrhyn, Pensarn, Trefriw, Tudno and Uwch Conwy.