Choosing a Domain Name

A domain name is the actual address of your website as typed into a browser, www.yourwebsite.co.uk for example. 'yourwebsite' is the name that you choose and the .co.uk is the regional domain extension identifier.
In this case above the .co.uk clearly signifies a United Kingdom domain registration. Where as .com .net .org are popular United States domains.
There are a wide selection of other domain extension '.somethings' you can use and you are not compelled to stick to your own country. A quick search in any domain name checker will reveal many possible extension types. See: Choosing a Domain Name