What are subdomains?
As the name suggest subdomain, a sub or second-level of a domain. It’s an excellent way to create memorable web addresses for numerous areas of your web site. For example, your web site is www.mysite.com. An example of subdomain can be music.mysite.com, and another would be funstuff.mysite.com.
Web Hosting provides hosting for main domain name also as sub-domains. There’s no restriction on the number of sub-domains, you’ll be able to create and host multiple sub-domains below one web hosting account.