wordpress on the NAS

Hello,

I have a problem. I have a NAS: Zyxel NSA310S and I installed wordpress on it. WordPress is runnig but is not available from place that I want. I Have a public IP adress and I did DNS for my NAS and now I my NAS adress is http://www.nameofmyDNS.org.cz. But the web page is availeble from http://www.nameofmyDNS.org.cz/MyWeb/wordpress/ this is not comfortable and remmembered. Can I do that my web page will be avaible from adrees like http://www.nameofmyDNS.org.cz or http://www.nameofmyDNS.org.cz/web ?

wordpress files have in http://www.nameofmyDNS.org.cz/wordpress

What can I do ?

Thanks for answers.