There is an error in XML document (159, 8)

<contatti>
    <sede>
        <name></name>					
    	<address></address>
	<tel></tel>
	<fax></fax>
	<email></email>
	<link></link>
	<iva></iva>
	<reg></reg>
	<timing></timing>
        <contacts>
                <contact>
		<surname></surname>
		<name></name>
		<area></area>
		<role></role>
		<tel></tel>
		<email></email>
        	</contact>
        </contacts>
    </sede>
</contatti>

{
    [XmlRoot("contatti")]
    public class Contatti
    {
        [XmlElement("sede")]
        public Sede[] ListaSedi { get; set; }

    }

    public class Sede
    {
        [XmlElement("name")]
        public string Name { get; set; }

        [XmlElement("address")]
        public string Address { get; set; }

        [XmlElement("tel")]
        public string Tel { get; set; }

        [XmlElement("fax")]
        public string Fax { get; set; }

        [XmlElement("email")]
        public string Email { get; set; }

        [XmlElement("link")]
        public string Link { get; set; }

        [XmlElement("iva")]
        public string Iva { get; set; }

        [XmlElement("reg")]
        public string Reg { get; set; }

        [XmlElement("timing")]
        public string Timing { get; set; }

        [XmlArray("contacts"), XmlArrayItem("contact")]
        public Contatto[] ListaContatti { get; set; }
    }

    [XmlRoot("contact")]
    public class Contatto
    {
        [XmlElement("surname")]
        public string Surname { get; set; }

        [XmlElement("name")]
        public string Name { get; set; }

        [XmlElement("area")]
        public string Area { get; set; }

        [XmlElement("role")]
        public string Role { get; set; }

        [XmlElement("tel")]
        public string Tel { get; set; }

        [XmlElement("email")]
        public string email { get; set; }
    }
}