Map o'r blaid a enillodd fwyaf o bleidleisiau ym mhob ardal gyfrif, yn Etholiad yr Undeb Ewropeaidd, 2019.
Seiliedig ar: File:European Parliament election, 2019 (United Kingdom) area results.svg
<a href="//commons.wikimedia.org/wiki/User:Llywelyn2000" title="User:Llywelyn2000">Llywelyn2000</a>
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