.gu

.gu is the Internet country code top-level domain (ccTLD) for Guam.

Registrations are free of charge but are limited to people or companies with a contact in Guam, and are limited to third-level registrations beneath second-level names such as .com.gu. There has not been very much use of .gu addresses.

Second level domains
There are five Second Level Domains:
 * com.gu: Commercial Entities
 * net.gu: Network Service Providers
 * gov.gu: Government
 * org.gu: Non-commercial Organizations
 * edu.gu: Education