Some square feet can be constituted-of-or-filled-with construction.
Some square inch can be constituted-of-or-filled-with territory.
A hole can be constituted-of-or-filled-with some square meters.
Some square meters can be constituted-of-or-filled-with houses.
Millions can be constituted-of-or-filled-with square kilometers.
Areas may cover thousands of square miles of a (continental shelf).