Public lands in Guam

1 unit whose boundary reaches Guam. They are 1 national wildlife refuge, largest first within each type.

Acreage in Guam

National wildlife refuges
23,758 acres

Each figure is the acreage inside Guam for one kind of unit, summed over the units listed below. A unit that crosses into another state counts only the part of its boundary that lies in Guam.

National wildlife refuges

All national wildlife refuges →

Boundaries come from the agencies’ own layers. A unit is listed in every state or territory its boundary reaches. Data refreshed November 1, 2026.