First-level division
🇮🇷 Tehran Province
Subdivisions
Shahrestān-e Tehrān
Population 8,737,510
Shahrestan-e Shahriar
Population 744,210
Shahrestan-e Eslamshahr
Population 548,620
Shahrestan-e Baharestan
Population 536,329
Shahrestan-e Malard
Population 377,292
Shahrestan-e Pakdasht
Population 350,966
Rey
Population 349,700
Qods
Population 316,636
Shahrestan-e Robat Karim
Population 291,516
Shahrestan-e Varamin
Population 283,742
Qarchak County
Population 269,138
Pardis County
Population 169,060
Shahrestan-e Damavand
Population 125,480
Shahrestan-e Pishva
Population 86,601
Shahrestan-e Shemiranat
Population 47,279
Shahrestan-e Firuzkuh
Population 33,558