西班牙卷毛Php

I'm extracting a page using Curl, but the spanish characters like ñ or ó, í, etc... aren't extracted correctly during the curl process.

The meta tag for the UTF-8 is set correctly:

<meta http-equiv="Content-type" content="text/html" charset="utf-8"> 

The curl code is this:

    $c = curl_init($url);
    curl_setopt($c, CURLOPT_RETURNTRANSFER, true); 
    $html = curl_exec($c);
    curl_close($c); 

And i've tryed a lot of encoding and decoding options after getting the page, but eny of them work properly.

The wrong output of the characters is somthing like this:

Espa�a, tambi�n denominado Reino de Espa�a, es un pa�s soberano, miembro de la Uni�n Europea, constituido en Estado social y democr�tico de derecho y .

I think that is not a utf-8 problem, and I don't know were it comes from..