2026 Boundaries
- Activity
- Active from 07 May 2026 onwards.
- Organisation
- Senedd Cymru
- Legislation
- These sub-divisions were enacted in this legislation.
- Consultation
- Read the consultation that lead to these changes.
Map
Sub-Divisions
| Name | Seats | Type | Geography Code |
|---|---|---|---|
| Afan Ogwr Rhondda | 6 | Welsh Assembly constituency | gss:W09000048 |
| Bangor Conwy Môn | 6 | Welsh Assembly constituency | gss:W09000049 |
| Blaenau Gwent Caerffili Rhymni | 6 | Welsh Assembly constituency | gss:W09000050 |
| Brycheiniog Tawe Nedd | 6 | Welsh Assembly constituency | gss:W09000051 |
| Caerdydd Ffynnon Taf | 6 | Welsh Assembly constituency | gss:W09000052 |
| Caerdydd Penarth | 6 | Welsh Assembly constituency | gss:W09000053 |
| Casnewydd Islwyn | 6 | Welsh Assembly constituency | gss:W09000054 |
| Ceredigion Penfro | 6 | Welsh Assembly constituency | gss:W09000055 |
| Clwyd | 6 | Welsh Assembly constituency | gss:W09000056 |
| Fflint Wrecsam | 6 | Welsh Assembly constituency | gss:W09000057 |
| Gwynedd Maldwyn | 6 | Welsh Assembly constituency | gss:W09000058 |
| Gŵyr Abertawe | 6 | Welsh Assembly constituency | gss:W09000059 |
| Pen-y-bont Bro Morgannwg | 6 | Welsh Assembly constituency | gss:W09000060 |
| Pontypridd Cynon Merthyr | 6 | Welsh Assembly constituency | gss:W09000061 |
| Sir Fynwy Torfaen | 6 | Welsh Assembly constituency | gss:W09000062 |
| Sir Gaerfyrddin | 6 | Welsh Assembly constituency | gss:W09000063 |