The area of Riyadh Province is 412,000 square kilometers.
Riyadh Province's population is 5,455,363.
Above 3,000 per sq. km. There is no certain figure because population figures are uncertain, and disagreement exists about the area of Riyadh (which is both a city and a province).
Cairo is 453 km²
i think riyadh city area is a biggest in Saudi Arabia
The area of Targovishte Province is 2,558.5 square kilometers.
The area of Province of Soria is 10,303 square kilometers.
The area of Mila Province is 9,375 square kilometers.
The area of Province of Viterbo is 3,612 square kilometers.
The area of Kunduz Province is 8,040 square kilometers.
The area of Province of Piacenza is 2,589 square kilometers.
The area of Sétif Province is 6,504 square kilometers.
The area of Savannakhet Province is 21,774 square kilometers.