23 cities
| City | 2026 Pop. ↓ |
|---|---|
| Bandar Abbas | 702,281 |
| Borujerd | 251,958 |
| Bukan | 213,331 |
| Babol | 202,796 |
| Birjand | 196,982 |
| Bojnurd | 192,041 |
| Bushehr | 165,377 |
| Bandar-e Anzali | 110,826 |
| Baneh | 104,799 |
| Bam | 99,268 |
| Behshahr | 93,500 |
| Borazjan | 86,059 |
| Bonab | 80,359 |
| Behbahan | 79,327 |
| Bijar | 53,871 |
| Bandar-e Genaveh | 52,750 |
| Borujen | 52,654 |
| Babolsar | 48,051 |
| Bardsir | 37,192 |
| Bafq | 31,215 |
| Bahar | 28,645 |
| Bardaskan | 28,233 |
| Bandar-e Lengeh | 22,768 |