It is 83.87 square miles.
a large area of often with a large house on it
Antarctica
Plateu
.
9,000000000000
A large area of flat or gently sloping land is called a plateau. It is a raised flat-topped landform that covers a considerable land area.
Plateau
estate
a tract of land has no specific size, it is just an extended area
Plateau
Plateau
I think this answer is plain.