HTML PHP provincias españolas en combobox

<?
$auxProvincia="";

if ($_GET['provincia']!="")
{
    $auxProvincia="<option value='".$_GET['provincia']."' selected>".$_GET['provincia']."</option>";
}
?>

<select name="provincia">
<?echo $auxProvincia;?>
<option value=""></option>
<option value="Alicante">Alicante</option>
<option value="Alava">Alava</option>
<option value="Albacete">Albacete</option>
<option value="Almeria">Almeria</option>
<option value="Asturias">Asturias</option>
<option value="Avila">Avila</option>
<option value="Badajoz">Badajoz</option>
<option value="Baleares">Baleares</option>
<option value="Barcelona">Barcelona</option>
<option value="Burgos">Burgos</option>
<option value="Caceres">Caceres</option>
<option value="Cadiz">Cadiz</option>
<option value="Cantabria">Cantabria</option>
<option value="Castellon">Castellon</option>
<option value="Ceuta">Ceuta</option>
<option value="Ciudad Real">Ciudad Real</option>
<option value="Cordoba">Cordoba</option>
<option value="Cuenca">Cuenca</option>
<option value="Gerona">Gerona</option>
<option value="Granada">Granada</option>
<option value="Guadalajara">Guadalajara</option>
<option value="Guipuzcua">Guipuzcua</option>
<option value="Huelva">Huelva</option>
<option value="Huesca">Huesca</option>
<option value="Jaen">Jaen</option>
<option value="La Coruña">La Coruña</option>
<option value="La rioja">La rioja</option>
<option value="Las palmas">Las palmas</option>
<option value="Leon">Leon</option>
<option value="Lerida">Lerida</option>
<option value="Lugo">Lugo</option>
<option value="Madrid">Madrid</option>
<option value="Malaga">Malaga</option>
<option value="Melilla">Melilla</option>
<option value="Murcia">Murcia</option>
<option value="Navarra">Navarra</option>
<option value="Orense">Orense</option>
<option value="Palencia">Palencia</option>
<option value="Pontevedra">Pontevedra</option>
<option value="Salamanca">Salamanca</option>
<option value="Santa cruz de tenerife">Santa cruz de tenerife</option>
<option value="Segovia">Segovia</option>
<option value="Sevilla">Sevilla</option>
<option value="Soria">Soria</option>
<option value="Tarragona">Tarragona</option>
<option value="Teruel">Teruel</option>
<option value="Toledo">Toledo</option>
<option value="Valencia">Valencia</option>
<option value="Valladolid">Valladolid</option>
<option value="Vizcaya">Vizcaya</option>
<option value="Zamora">Zamora</option>
<option value="Zaragoza">Zaragoza</option>
</select>