There are currently 134 listed sites spread across 17 of the 19 villages of Guam.
Listed historic sites include Spanish colonial ruins, a few surviving pre-World War II ifil houses, Japanese fortifications, two massacre sites, and a historic district.
Two other locations that were previously listed have been removed from the Register.
[1] There are no properties listed on the National Register of Historic Places in Agana Heights.
There are no properties listed on the National Register of Historic Places in Mongmong-Toto-Maite.