Apache VirtualHosts Myltiple

ServerName localhost
<VirtualHost *:80>
    ServerAdmin root@localhost
    <Directory /var/www>
        Options Indexes FollowSymLinks MultiViews
        AllowOverride All
        Order allow,deny
        allow from all
       </Directory>

    UseCanonicalName Off
    VirtualDocumentRoot /var/www/%0

    ErrorLog ${APACHE_LOG_DIR}/error.log
        LogLevel warn
        CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>