The phrase "actual area" is correct and usable in written English.
It can be used when referring to the true or real size of a specific space or region, often in contrast to a perceived or estimated size.
Example: "The actual area of the park is much larger than what was initially reported."
Alternatives: "real area" or "true area".
The actual area is somewhat larger, however, and extends beyond any boundaries demarcated by ZIP code or census blocks.
(Very close indeed: the actual area of the Golan Heights that remained disputed was a 150-metre-wide strip).
The DfE needs to consult with people in schools, local areas and beyond to define what a coasting school is in the actual area it's in.
The average Midsomer murder rate is 32 per million inhabitants, three times the rate of the actual area and equivalent to murder rates in Latvia and Chile.
The actual area of the wound, meanwhile, is steadily reduced by a process of contraction; finally, there is no raw surface to be seen.
"It was a number of years before I learned that Compton was an actual area and not, I don't know, a swamp," he said.
Developers know each square meter of a home's outdoor space counts for only a fraction of its actual area, so they've been building apartments with colossal balconies that owners can easily wall off to create an extra room.
On a Mercator projection, for example, the landmass of Greenland appears to be greater than that of the continent of South America; in actual area, Greenland is smaller than the Arabian Peninsula.
In his deposition, Shoatz describes having "approximately 84 square feet of floor space" in his restrictive housing unit cell, but notes "the presence of the steel bunk, and toilet diminished the actual area wherein one could walk" to about 58 square feet.
Filling nearly all of northern Africa, it measures approximately 3,000 miles (4,800 kilometres) from east to west and between 800 and 1,200 miles from north to south and has a total area of some 3,320,000 square miles (8,600,000 square kilometres); the actual area varies as the desert expands and contracts over time.
That potential range vastly exceeds the actual area where the mosquito is known to live.
