Puerto Rico Regions

<optgroup label="Puerto Rico">
    <option value="Adjuntas">Adjuntas</option>
    <option value="Aguada">Aguada</option>
    <option value="Aguadilla">Aguadilla</option>
    <option value="Aguas Buenas">Aguas Buenas</option>
    <option value="Aibonito">Aibonito</option>
    <option value="Anasco">Anasco</option>
    <option value="Arecibo">Arecibo</option>
    <option value="Arroyo">Arroyo</option>
    <option value="Barceloneta">Barceloneta</option>
    <option value="Barranquitas">Barranquitas</option>
    <option value="Bayamon">Bayamon</option>
    <option value="Cabo Rojo">Cabo Rojo</option>
    <option value="Caguas">Caguas</option>
    <option value="Camuy">Camuy</option>
    <option value="Canovanas">Canovanas</option>
    <option value="Carolina">Carolina</option>
    <option value="Cat">Cat</option>
    <option value="Ceiba">Ceiba</option>
    <option value="Ciales">Ciales</option>
    <option value="Cidra">Cidra</option>
    <option value="Coamo">Coamo</option>
    <option value="Comerio">Comerio</option>
    <option value="Corozal">Corozal</option>
    <option value="Culebra">Culebra</option>
    <option value="Dorado">Dorado</option>
    <option value="Fajardo">Fajardo</option>
    <option value="Florido">Florido</option>
    <option value="Guanica">Guanica</option>
    <option value="Guayama">Guayama</option>
    <option value="Guayanilla">Guayanilla</option>
    <option value="Guaynabo">Guaynabo</option>
    <option value="Gurabo">Gurabo</option>
    <option value="Hatillo">Hatillo</option>
    <option value="Hormigueros">Hormigueros</option>
    <option value="Humacao">Humacao</option>
    <option value="Isabe">Isabe</option>
    <option value="Juana Diaz">Juana Diaz</option>
    <option value="Juncos">Juncos</option>
    <option value="Lajas">Lajas</option>
    <option value="Lares">Lares</option>
    <option value="Las Marias">Las Marias</option>
    <option value="Las Oiza">Las Oiza</option>
    <option value="Luquillo">Luquillo</option>
    <option value="Manati">Manati</option>
    <option value="Maricao">Maricao</option>
    <option value="Maunabo">Maunabo</option>
    <option value="Mayaguez">Mayaguez</option>
    <option value="Moca">Moca</option>
    <option value="Morovis">Morovis</option>
    <option value="Naguabo">Naguabo</option>
    <option value="Naranjito">Naranjito</option>
    <option value="Orocovis">Orocovis</option>
    <option value="Patillas">Patillas</option>
    <option value="Penuelas">Penuelas</option>
    <option value="Ponce">Ponce</option>
    <option value="Quebradillas">Quebradillas</option>
    <option value="Rincon">Rincon</option>
    <option value="Rio Grande">Rio Grande</option>
    <option value="Sabana Linas">Sabana Linas</option>
    <option value="San German">San German</option>
    <option value="San Juan">San Juan</option>
    <option value="San Lorenzo">San Lorenzo</option>
    <option value="San Sebastian">San Sebastian</option>
    <option value="Santa Isabel">Santa Isabel</option>
    <option value="Toa Alta">Toa Alta</option>
    <option value="Toa Baja">Toa Baja</option>
    <option value="Trujillo Alot">Trujillo Alot</option>
    <option value="Utuado">Utuado</option>
    <option value="Vega Alta">Vega Alta</option>
    <option value="Vega Ues">Vega Ues</option>
    <option value="Villalba">Villalba</option>
    <option value="Yabucoa">Yabucoa</option>
    <option value="Yauco">Yauco</option>
</optgroup>