Wrexham (Welsh: Wrecsam) is a constituency of the Senedd.

Also, however, it is one of nine constituencies in the North Wales electoral region, which elects four additional members, in addition to nine constituency members, to produce a degree of proportional representation for the region as a whole.

As created in 1999, the North Wales region includes the constituencies of Alyn and Deeside, Caernarfon, Clwyd West, Clwyd South, Conwy, Delyn, Vale of Clwyd, Wrexham and Ynys Môn.

The constituency of Wrexham is divided into the electoral divisions: Acton, Borras Park, Brynyffynnon, Cartrefle, Erddig, Garden Village, Gresford East and West, Grosvenor, Gwersyllt East and South, Gwersyllt North, Gwersyllt West, Hermitage, Holt, Little Acton, Llay, Maesydre, Marford and Hoseley, Offa, Queensway, Rhosnesni, Rossett, Smithfield, Stansty, Whitegate, Wynnstay.

In general elections for the Senedd, each voter has two votes.