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Review of Parliamentary Constituencies

The Boundary Commission for Wales is responsible for reviewing Parliamentary constituency boundaries in Wales.

The Boundary Commission for Wales commenced the 2023 Review of parliamentary constituencies in Wales in 2021 and the Parliamentary Constituencies Act 1986 (as amended) required the Commission to submit its Final Recommendations to Parliament by 1 July 2023.

The boundaries affecting Merthyr Tydfil have been changed to Merthyr Tydfil and Aberdare and will come into effect at the next General Election which will be held by January 2025.

You can view the Final Recommendations here


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