List of twin towns and sister cities in Wales

This is a list of places in Wales which have standing links to local communities in other countries known as "town twinning" (usually in Europe) or "sister cities" (usually in the rest of the world).

Abergavenny[1] Abergele[2] Abertillery[3] Aberystwyth[4] Bala[5] Bagillt[6] Bangor[7] Blackwood[8] Blaenavon[9] Blaenau Gwent[10] Brecknockshire[11] Brecon[12] Bridgend[13] Briton Ferry[14] Broughton and Bretton[15] Brynmawr[16] Caernarfon[17] Caerphilly[18] Caldicot[19] Cardiff[20] Cardigan Carmarthen[23] Colwyn Bay[2] Cowbridge[24] Crickhowell[25] Crymych[26] Cwmaman[27] Cwmbran[9] Denbigh[28] Dolgellau[29] Fishguard and Goodwick[30] Flintshire[31] Glynneath[32] Gorseinon[33] Govilon[34] Gowerton[35] Haverfordwest[36] Hay-on-Wye[37] Holyhead[38] Holywell[39] Isle of Anglesey[40] Kidwelly[41] Llanberis[42] Llanbradach[43] Llandeilo[44] Llandovery[45] Llandrindod Wells[46] Llandudno[47][48] Llandybie[49] Llandysul[50] Llanelli[51] Llanfairfechan[52] Llangedwyn[53] Llanidloes[54] Llantrisant[55] Llantwit Major[56] Llanwrtyd Wells[57] Llwchwr[33] Machen[58] Machynlleth[59] Milford Haven[60][61] Monmouth[62] Monmouthshire[9] Mumbles[63] Narberth[64] Nefyn[65] Newcastle Emlyn[66] Newport[67] Newport, Pembrokeshire[68] Newtown[69] Neyland[70] Norton[71] Pembroke[72] Pembroke Dock[73] Penarth[74] Pencoed[75] Pontardawe[76] Pontarddulais[77] Pontypool[9] Porthcawl[78] Porthmadog[79] Presteigne[71] Radyr and Morganstown[80] Raglan[81] Rhondda Cynon Taf[82] Ruthin[83] St Asaph[84] St Clears[85] St Davids[86] St Dogmaels[87] Swansea[63] Torfaen[9] Tredegar[90] Tregaron[91] Usk[92] Vale of Glamorgan[93] Whitland[94] Wrexham[95] Ystradgynlais[96]