Change Admin URL In Magento
Its easy to change admin URL in Magneto, open local.xml at location below,
/app/etc/local.xml
now search for the code below
[php]<frontname><![CDATA[admin]]></frontName>[/php]now replace ‘admin’ with your desired name.
[php]<frontname><![CDATA[adminarea]]></frontName>[/php]
as you do so your admin URL will be changed to adminarea