GOV.WALES uses cookies which are essential for the site to work. Non-essential cookies are also used to tailor and improve services. By continuing to use this site, you agree to our use of cookies.
You are here:
Noun, Masculine, Singular
etholiadau diwrthwynebiad
Etholiad lle mai dim ond un ymgeisydd a safodd ar gyfer y sedd, neu lle na safodd cymaint â’r mwyafswm posibl o ddarpar gynrychiolwyr.