First-level division
🇮🇷 Markazi Province
Subdivisions
Shahrestan-e Arak
Population 591,756
Shahrestan-e Saveh
Population 283,538
Shahrestan-e Shazand
Population 117,571
Khomeyn
Population 105,017
Shahrestan-e Zarandiyeh
Population 63,907
Shahrestan-e Mahallat
Population 55,342
Shahrestan-e Khondab
Population 54,018
Shahrestan-e Delijan
Population 51,621
Shahrestan-e Komijan
Population 36,441
Shahrestan-e Farahan
Population 28,994
Tafresh
Population 24,913
Ashtian County
Population 16,357