# The Senedd Cymru Constituency Regulations 2025, Regulation 4: Senedd Constituencies


(1) Wales is divided into Senedd constituencies—
(a) which are named in column 1 of the table in the Schedule,
(b) which are designated as county or borough constituencies in that column, and
(c) which comprise the UK parliamentary constituencies which are set out in columns 2 and 3 of that table, opposite the name of the constituency in column 1.
(2) In this regulation—
“UK parliamentary constituency” (“etholaeth seneddol y DU”) means a United Kingdom parliamentary constituency created by the Parliamentary Constituencies Order 2023 (“the 2023 Order”), which returns a member of Parliament of the United Kingdom, disregarding the operative effect of any amendments or alterations to the 2023 Order after the date on which these Regulations are made.

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Source: https://www.legislation.gov.uk/wsi/2025/709/regulation/4 (the official version)
Page: https://openlegislation.uk/senedd-cymru-constituency-regulations-2025/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.