São Tomé and Príncipe (country name)
Unicode: SãoToméandPríncipe.com
Punnycode: xn--sotomandprncipe-kkb0i9c.com
Language: English/Portuguese
It is the actual spelling of the country itself.
More information on the country:
http://en.wikipedia.org/wiki/S%C3%A3..._Pr%C3%ADncipe