ar Guidobono</a></li>
<li><a href="//en.wikipedia.org/wiki/Castellazzo_Bormida" title="Castellazzo Bormida">Castellazzo Bormida</a></li>
<li><a href="//en.wikipedia.org/wiki/Castelletto_Merli" title="Castelletto Merli">Castelletto Merli</a></li>
<li><a href="//en.wikipedia.org/wiki/Castelletto_Monferrato" title="Castelletto Monferrato">Castelletto Monferrato</a></li>
<li><a href="//en.wikipedia.org/wiki/Castelletto_d%27Erro" title="Castelletto d'Erro">Castelletto d'Erro</a></li>
<li><a href="//en.wikipedia.