| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1951  | Delfan  Delfan,Delfan County,Delfān,Shahrestan-e Delfan,Shahrestān-e Delfān,dlfan,shhrstan dlfan,دلفان,شهرست... | Iran, Lorestan Province Delfan | second-order administrative division population 143,973 | N 34° 3′ 0'' | E 47° 47′ 0'' |
| 1952 | Dorūd Dorud,Dorūd,Shahrestan-e Dorud,Shahrestan-e Dowrud,Shahrestān-e Dorūd,Shahrestān-e Dowrūd,dwrwd,shhr... | Iran, Lorestan Province Dorūd | second-order administrative division population 174,508 | N 33° 31′ 23'' | E 49° 4′ 20'' |
| 1953 | Selseleh Selseleh,Shahrestan-e Selseleh,Shahrestān-e Selseleh,shhrstan slslh,slslh,سلسله,شهرستان سلسله | Iran, Lorestan Province Selseleh | second-order administrative division population 75,559 | N 33° 49′ 47'' | E 48° 12′ 14'' |
| 1954 | Kuhdasht Kuhdasht,Kuhdasht County,Kūhdasht,Shahrestan-e Kuhdasht,Shahrestān-e Kūhdasht,kwhdsht,shhrstan kwhds... | Iran, Lorestan Province Kuhdasht | second-order administrative division population 166,658 | N 33° 33′ 16'' | E 47° 23′ 1'' |
| 1955 | Shahrestān-e Āmol Amol,Shahrestan-e Amol,Shahrestān-e Āmol,aml,shhrstan aml,Āmol,آمل,شهرستان آمل | Iran, Māzandarān Shahrestān-e Āmol | second-order administrative division population 401,639 | N 36° 12′ 0'' | E 52° 23′ 0'' |
| 1956 | Shahrestān-e Bābol Babol,Bābol,Shahrestan-e Babol,Shahrestān-e Bābol,babl,shhrstan babl,بابل,شهرستان بابل | Iran, Māzandarān Shahrestān-e Bābol | second-order administrative division population 531,930 | N 36° 18′ 18'' | E 52° 38′ 0'' |
| 1957 | Shahrestān-e Bābolsar Babolsar,Bābolsar,Shahrestan-e Babolsar,Shahrestān-e Bābolsar,bablsr,shhrstan bablsr,بابلسر,شهرستان ... | Iran, Māzandarān Shahrestān-e Bābolsar | second-order administrative division population 135,191 | N 36° 40′ 0'' | E 52° 44′ 0'' |
| 1958 | Behshahr Behshahr,Shahrestan-e Behshahr,Shahrestān-e Behshahr,bhshhr,shhrstan bhshhr,بهشهر,شهرستان بهشهر | Iran, Māzandarān Behshahr | second-order administrative division population 168,769 | N 36° 39′ 3'' | E 53° 35′ 18'' |
| 1959 | Shahrestān-e Tonekābon Shahrestan-e Tonekabon,Shahrestān-e Tonekābon,Tonekabon,Tonekābon,shhrstan tnkabn,tnkabn,تنكابن,شهرس... | Iran, Māzandarān Shahrestān-e Tonekābon | second-order administrative division population 166,132 | N 36° 36′ 56'' | E 50° 49′ 37'' |
| 1960 | Shahrestān-e Jūybār Juybar,Jūybār,Shahrestan-e Juybar,Shahrestān-e Jūybār,jwybar,shhrstan jwybar,جويبار,شهرستان جويبار | Iran, Māzandarān Shahrestān-e Jūybār | second-order administrative division population 77,576 | N 36° 40′ 0'' | E 52° 54′ 48'' |
| 1961 | Shahrestān-e Chālūs Chalus,Chālūs,Shahrestan-e Chalus,Shahrestān-e Chālūs,chalws,shhrstan chalws,شهرستان چالوس,چالوس | Iran, Māzandarān Shahrestān-e Chālūs | second-order administrative division population 116,542 | N 36° 24′ 2'' | E 51° 14′ 39'' |
| 1962 | Shahrestān-e Rāmsar Ramsar,Rāmsar,Shahrestan-e Ramsar,Shahrestān-e Rāmsar,ramsr,shhrstan ramsr,رامسر,شهرستان رامسر | Iran, Māzandarān Shahrestān-e Rāmsar | second-order administrative division population 74,179 | N 36° 46′ 0'' | E 50° 32′ 0'' |
| 1963 | Shahrestān-e Sārī Sari,Shahrestan-e Sari,Shahrestān-e Sārī,Sārī,sary,shhrstan sary,ساری,شهرستان ساری | Iran, Māzandarān Shahrestān-e Sārī | second-order administrative division population 504,298 | N 36° 20′ 0'' | E 53° 17′ 0'' |
| 1964 | Shahrestān-e Savādkūh Savadkuh,Savādkūh,Shahrestan-e Savadkuh,Shahrestān-e Savādkūh,shhrstan swadkwh,swadkwh,سوادكوه,شهرست... | Iran, Māzandarān Shahrestān-e Savādkūh | second-order administrative division population 43,913 | N 36° 3′ 9'' | E 52° 57′ 56'' |
| 1965 | Shahrestān-e Qā’em Shahr Qa'em Shahr,Qā’em Shahr,Shahrestan-e Qa'em Shahr,Shahrestān-e Qā’em Shahr,qaym shhr,shhrstan qaym sh... | Iran, Māzandarān Shahrestān-e Qā’em Shahr | second-order administrative division population 309,199 | N 36° 27′ 21'' | E 52° 52′ 56'' |
| 1966 | Shahrestān-e Maḩmūdābād Mahmudabad,Maḩmūdābād,Shahrestan-e Mahmudabad,Shahrestān-e Maḩmūdābād,mhmwd abad,shhrstan mhmwd abad... | Iran, Māzandarān Shahrestān-e Maḩmūdābād | second-order administrative division population 98,407 | N 36° 36′ 15'' | E 52° 19′ 46'' |
| 1967 | Shahrestān-e Nekā Neka,Nekā,Shahrestan-e Neka,Shahrestān-e Nekā,nka,shhrstan nka,شهرستان نكا,نكا | Iran, Māzandarān Shahrestān-e Nekā | second-order administrative division population 119,511 | N 36° 28′ 12'' | E 53° 37′ 4'' |
| 1968 | Shahrestān-e Nūr Nur,Nūr,Shahrestan-e Nur,Shahrestān-e Nūr,nwr,shhrstan nwr,شهرستان نور,نور | Iran, Māzandarān Shahrestān-e Nūr | second-order administrative division population 121,531 | N 36° 19′ 0'' | E 51° 59′ 0'' |
| 1969 | Nowshahr Nowshahr,Shahrestan-e Nowshahr,Shahrestān-e Nowshahr,nwshhr,shhrstan nwshhr,شهرستان نوشهر,نوشهر | Iran, Māzandarān Nowshahr | second-order administrative division population 138,913 | N 36° 26′ 0'' | E 51° 36′ 0'' |
| 1970 | Shahrestān-e Arāk Arak,Arāk,Shahrestan-e Arak,Shahrestān-e Arāk,Shahrestān-e Ārāk,arak,shahristani arak,shhrstan arak,... | Iran, Markazi Shahrestān-e Arāk | second-order administrative division population 591,756 | N 34° 8′ 0'' | E 49° 48′ 0'' |
| 1971 | Tafresh Shahrestan-e Tafresh,Shahrestān-e Tafresh,Tafresh,shhrstan tfrsh,tfrsh,تفرش,شهرستان تفرش | Iran, Markazi Tafresh | second-order administrative division population 24,913 | N 34° 45′ 55'' | E 50° 0′ 9'' |
| 1972 | Khomeyn Khomeyn,Shahrestan-e Khomeyn,Shahrestān-e Khomeyn,khmin,shhrstan khmin,خمِين,شهرستان خمِين | Iran, Markazi Khomeyn | second-order administrative division population 105,017 | N 33° 39′ 46'' | E 49° 59′ 17'' |
| 1973 | Shahrestān-e Delījān Delijan,Delījān,Shahrestan-e Delijan,Shahrestān-e Delījān,dlyjan,shhrstan dlyjan,دليجان,شهرستان دليج... | Iran, Markazi Shahrestān-e Delījān | second-order administrative division population 51,621 | N 34° 0′ 40'' | E 50° 45′ 10'' |
| 1974 | Shahrestān-e Zarandīyeh Shahrestan-e Zarandiyeh,Shahrestān-e Zarandīyeh,Zarandiyeh,Zarandīyeh,shhrstan zrndyh,zrndyh,زرنديه,... | Iran, Markazi Shahrestān-e Zarandīyeh | second-order administrative division population 63,907 | N 35° 22′ 0'' | E 50° 20′ 0'' |
| 1975 | Shahrestān-e Sāveh Saveh,Shahrestan-e Saveh,Shahrestān-e Sāveh,Sāveh,sawh,shhrstan sawh,ساوه,شهرستان ساوه | Iran, Markazi Shahrestān-e Sāveh | second-order administrative division population 283,538 | N 35° 4′ 17'' | E 50° 3′ 58'' |
| 1976 | Shahrestān-e Shāzand Shahrestan-e Shazand,Shahrestān-e Shāzand,Shazand,Shāzand,shaznd,shhrstan shaznd,شازند,شهرستان شازند | Iran, Markazi Shahrestān-e Shāzand | second-order administrative division population 117,571 | N 33° 53′ 47'' | E 49° 18′ 16'' |
| 1977 | Shahrestān-e Komījān Komijan,Komījān,Shahrestan-e Komijan,Shahrestān-e Komījān,kmyjan,shhrstan kmyjan,شهرستان كميجان,كميج... | Iran, Markazi Shahrestān-e Komījān | second-order administrative division population 36,441 | N 34° 43′ 37'' | E 49° 19′ 7'' |
| 1978 | Shahrestān-e Maḩallāt Mahallat,Maḩallāt,Shahrestan-e Mahallat,Shahrestān-e Maḩallāt,mhlat,shhrstan mhlat,شهرستان محلات,محل... | Iran, Markazi Shahrestān-e Maḩallāt | second-order administrative division population 55,342 | N 33° 55′ 0'' | E 50° 25′ 0'' |
| 1979 | Shahrestān-e Abū Mūsá Abu Musa,Abū Mūsá,Shahrestan-e Abu Musa,Shahrestān-e Abū Mūsá,abw mwsy,shhrstan abw mwsy,ابو موسیٰ,ش... | Iran, Hormozgan Shahrestān-e Abū Mūsá | second-order administrative division population 7,402 | N 26° 3′ 17'' | E 55° 9′ 44'' |
| 1980 | Bastak Bastak,Bestek,Bəstək,Shahrestan-e Bastak,Shahrestān-e Bastak,ba si ta ke,bstk,shhrstan bstk,Μπαστάκ,... | Iran, Hormozgan Bastak | second-order administrative division population 80,492 | N 27° 12′ 0'' | E 54° 30′ 7'' |
| 1981 | Bandar Abbas Bandar Abbas,Bandar Abbas County,Bandar `Abbas,Bandar ‘Abbās,Shahrestan-e Bandar `Abbas,Shahrestān-e... | Iran, Hormozgan Bandar Abbas | second-order administrative division population 680,366 | N 27° 32′ 13'' | E 56° 13′ 27'' |
| 1982 | Bandar Lengeh Bandar Lengeh,Shahrestan-e Bandar Lengeh,Shahrestān-e Bandar Lengeh,bndr lngh,shhrstan bndr lngh,بند... | Iran, Hormozgan Bandar Lengeh | second-order administrative division population 159,358 | N 26° 47′ 0'' | E 54° 39′ 0'' |
| 1983 | Shahrestān-e Jāsk Jask,Jāsk,Shahrestan-e Jask,Shahrestān-e Jāsk,jask,shhrstan jask,جاسک,شهرستان جاسک | Iran, Hormozgan Shahrestān-e Jāsk | second-order administrative division population 58,884 | N 25° 51′ 56'' | E 58° 17′ 27'' |
| 1984 | Shahrestān-e Ḩājjīābād Hajjiabad,Shahrestan-e Hajjiabad,Shahrestān-e Ḩājjīābād,hajy abad,shhrstan hajy abad,حاجی آباد,شهرست... | Iran, Hormozgan Shahrestān-e Ḩājjīābād | second-order administrative division population 69,625 | N 28° 3′ 42'' | E 56° 9′ 36'' |
| 1985 | Shahrestān-e Rūdān Rudan,Rūdān,Shahrestan-e Rudan,Shahrestān-e Rūdān,rwdan,shhrstan rwdan,رودان,شهرستان رودان | Iran, Hormozgan Shahrestān-e Rūdān | second-order administrative division population 124,522 | N 27° 32′ 0'' | E 57° 7′ 0'' |
| 1986 | Qeshm Qeshm,Shahrestan-e Qeshm,Shahrestān-e Qeshm,qshm,shhrstan qshm,شهرستان قشم,قشم | Iran, Hormozgan Qeshm | second-order administrative division population 148,993 | N 26° 47′ 0'' | E 55° 52′ 0'' |
| 1987 | Shahrestān-e Mīnāb Minab,Mīnāb,Shahrestan-e Minab,Shahrestān-e Mīnāb,mynab,shhrstan mynab,شهرستان ميناب,ميناب | Iran, Hormozgan Shahrestān-e Mīnāb | second-order administrative division population 259,221 | N 26° 56′ 29'' | E 57° 19′ 36'' |
| 1988 | Shahrestān-e Asadābād Asadabad,Asadābād,Shahrestan-e Asadabad,Shahrestān-e Asadābād,asd abad,shhrstan asd abad,اسد آباد,شه... | Iran, Hamadan Province Shahrestān-e Asadābād | second-order administrative division population 100,901 | N 34° 47′ 0'' | E 48° 0′ 0'' |
| 1989 | Shahrestān-e Bahār Bahar,Bahār,Shahrestan-e Bahar,Shahrestān-e Bahār,bhar,shhrstan bhar,بهار,شهرستان بهار | Iran, Hamadan Province Shahrestān-e Bahār | second-order administrative division population 119,082 | N 34° 59′ 10'' | E 48° 22′ 17'' |
| 1990 | Shahrestān-e Tūyserkān Shahrestan-e Tuyserkan,Shahrestān-e Tūyserkān,Tuyserkan,Tūyserkān,shhrstan twysrkan,twysrkan,تويسركا... | Iran, Hamadan Province Shahrestān-e Tūyserkān | second-order administrative division population 101,666 | N 34° 32′ 31'' | E 48° 20′ 4'' |
| 1991 | Razan Razan,Shahrestan-e Razan,Shahrestān-e Razan,rzn,shhrstan rzn,رزن,شهرستان رزن | Iran, Hamadan Province Razan | second-order administrative division population 107,587 | N 35° 26′ 0'' | E 48° 58′ 54'' |
| 1992 | Shahrestān-e Kabūdarāhang Kabudarahang,Kabūdarāhang,Shahrestan-e Kabudarahang,Shahrestān-e Kabūdarāhang,kbwdrahng,shhrstan kbw... | Iran, Hamadan Province Shahrestān-e Kabūdarāhang | second-order administrative division population 126,062 | N 35° 22′ 34'' | E 48° 22′ 56'' |
| 1993 | Shahrestān-e Malāyer Malayer,Malāyer,Shahrestan-e Malayer,Shahrestān-e Malāyer,mlayir,shhrstan mlayir,شهرستان ملايِر,ملاي... | Iran, Hamadan Province Shahrestān-e Malāyer | second-order administrative division population 288,685 | N 34° 19′ 19'' | E 48° 47′ 50'' |
| 1994 | Shahrestān-e Nahāvand Nahavand,Nahāvand,Shahrestan-e Nahavand,Shahrestān-e Nahāvand,nhawnd,shhrstan nhawnd,شهرستان نهاوند,... | Iran, Hamadan Province Shahrestān-e Nahāvand | second-order administrative division population 178,787 | N 34° 13′ 10'' | E 48° 14′ 48'' |
| 1995 | Shahrestān-e Hamadān Hamadan,Hamadān,Hamedan,Hamedān,Shahrestan-e Hamadan,Shahrestān-e Hamadān,hmdan,shhrstan hmdan,شهرست... | Iran, Hamadan Province Shahrestān-e Hamadān | second-order administrative division population 676,105 | N 34° 49′ 30'' | E 48° 48′ 11'' |
| 1996 | Shahrestān-e Abarkūh Abarkuh,Abarkūh,Shahrestan-e Abarkuh,Shahrestān-e Abarkūh,abrkwh,shhrstan abrkwh,ابركوه,شهرستان ابرك... | Iran, Yazd Province Shahrestān-e Abarkūh | second-order administrative division population 51,552 | N 31° 4′ 59'' | E 53° 23′ 6'' |
| 1997 | Shahrestān-e Ardakān Ardakan,Ardakān,Shahrestan-e Ardakan,Shahrestān-e Ardakān,ardkan,shhrstan ardkan,اردكان,شهرستان اردك... | Iran, Yazd Province Shahrestān-e Ardakān | second-order administrative division population 97,960 | N 32° 35′ 48'' | E 54° 47′ 6'' |
| 1998 | Bafgh Bafgh,Bafq,Bāfq,Shahrestan-e Bafq,Shahrestān-e Bāfq,bafq,shhrstan bafq,بافق,شهرستان بافق | Iran, Yazd Province Bafgh | second-order administrative division population 50,845 | N 31° 40′ 11'' | E 55° 24′ 2'' |
| 1999 | Taft Shahrestan-e Taft,Shahrestān-e Taft,Taft,shhrstan tft,tft,تفت,شهرستان تفت | Iran, Yazd Province Taft | second-order administrative division population 43,893 | N 31° 26′ 52'' | E 53° 48′ 50'' |
| 2000 | Shahrestān-e Khātam Herat,Herāt,Khatam,Khatem,Khātam,Khātem,Shahrestan-e Khatam,Shahrestān-e Khātam,hrat,khatm,shhrstan ... | Iran, Yazd Province Shahrestān-e Khātam | second-order administrative division population 36,562 | N 30° 19′ 1'' | E 54° 12′ 17'' |
by