ES Domain Name Registrations. The .es domain names are available to anyone who wishes to offer services, information or products that are tied to Spain.
http://www.nominate.com/domains/es
Until the liberalization in November 2005, registering in .es was expensive and encumbered compared to other ccTLDs. The second-level word had to be either ...
http://en.wikipedia.org/wiki/.es
es-ES ...