AfiaHost allows you to create multiple sub-domains on your own hosting account, for that just follow the following steps:
1. Login to CPanel
2. Go to the menu "Subdomains"
3. Choose a name for your domain and sub-domain that is associated with
4. Select the folder where you want your sub-domain and point where you want to put the content to appear on your sub-domain (Usually / public_html / nomedosubdomain/)
5. Click "Create" to finish creating the sub-domain From now on you can access your sub-domain and you can put the content in the folder that was automatically created on the server using file manager or ftp.