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Coordinates: 40°25′45″N 29°43′16″E / 40.42917°N 29.72111°E / 40.42917; 29.72111
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Lake İznik
Map showing İznik District in Bursa Province
Map showing İznik District in Bursa Province
İznik is located in Turkey
Location in Turkey
İznik is located in Marmara
İznik (Marmara)
Coordinates: 40°25′45″N 29°43′16″E / 40.42917°N 29.72111°E / 40.42917; 29.72111
 • MayorKağan Mehmet Usta (AKP)
753 km2 (291 sq mi)
 • Density59/km2 (150/sq mi)
Time zoneUTC+3 (TRT)
Postal code
Area code0224

İznik (Turkish pronunciation: [izˈnik]) is a municipality and district of Bursa Province, Turkey.[2] Its area is 753 km2,[3] and its population is 44,236 (2022).[1] The town is at the site of the ancient Greek city of Nicaea, from which the modern name derives. The town lies in a fertile basin at the eastern end of Lake İznik, with ranges of hills to the north and south. As the crow flies, the town is only 90 kilometres (56 miles) southeast of Istanbul but by road it is 200 km (124 miles) around the Gulf of İzmit. It is 80 km (50 miles) by road from Bursa.

İznik has been a district centre of the province of Bursa since 1930 but belonged to the district of Kocaeli between 1923 and 1927. It was a township of Yenişehir (connected to Bilecik before 1926) district between 1927 and 1930.

Ancient Nicaea was ringed with walls that still survive to this day, despite having been pierced in places to now accommodate roads. Inside the walls stands the Ayasofya Mosque where the Second Council of Nicaea was held in A.D. 787. The town is famous for the Iznik tiles and pottery.


İznik derives from the Ancient Greek name of the city, Νίκαια Nikaia (Latinized as Nicaea), prefixed with εἰς eis, meaning 'to' or 'into'. The Ottoman Turkish spelling is ازنيق : iznîq.


Iznik Wall at Yenişehir Gate

In ancient times, this was the site of Nicaea, a Hellenistic city founded by Antigonus in 316 BC.

In 1331, Orhan captured the city from the Byzantines and for a short period the town became the capital of the expanding Ottoman Emirate.[4] The large church of Hagia Sophia in the centre of the town was converted into the Orhan Mosque[5] and a medrese (theological school-Süleyman Paşa Medresesi) and hamam (bathhouse) were built nearby.[6] In 1334 Orhan built another mosque and an imaret (soup kitchen) just outside the Yenisehir gate (Yenişeh Kapısı) on the south side of the town.[7]

Hagia Sophia of İznik
Iznik Süleyman Paşa Medresesi

The Moroccan traveller Ibn Battuta stayed in Iznik at the end of 1331 soon after the capture of the town by Orhan.[8] According to Ibn Battuta, the town was in ruins and only inhabited by a small number of people in the service of the sultan. Within the city walls were gardens and cultivated plots with each house surrounded by an orchard. The town produced fruit, walnuts, chestnuts and large sweet grapes.[7][9]

A census in 1520 recorded 379 Muslim and 23 Christian households while another one taken a century later in 1624 recorded 351 Muslim and 10 Christian households. Assuming five members for each household, these figures suggest that the population was around 2,000. Estimates made in the 18th and 19th centuries arrived at similar numbers.[10] The town was poor and the population small even when ceramic production was at its peak during the second half of the 16th century.[11]

The Byzantine city is estimated to have had a population of 20,000–30,000 but in the Ottoman period the town was never prosperous and occupied only a small fraction of the walled area. It was, however, a centre for the production of highly decorated fritware vessels and what are known as İznik tiles during the 16th and 17th centuries.

In 1677 the English clergyman John Covel visited Iznik and found only a third of the town occupied.[12] In 1745 the English traveller Richard Pococke reported that Iznik was no more than a village.[13] A succession of visitors described the town in unflattering terms. For example in 1779, the Italian archaeologist Domenico Sestini wrote that Iznik was nothing but an abandoned town with no life, no noise and no movement.[7][14] In 1797 James Dallaway described Iznik as "a wretched village of long lanes and mud walls...".[7][15]

The town was seriously damaged by the Greek Army in 1921 during the Greco-Turkish War (1919–1922); the population became refugees and many historical buildings and mosques were damaged or destroyed.[16]

Panoramic view of İznik (ancient Nicaea) with Lake İznik in the background.

Pottery and tiles[edit]

Iznik tiles inside the Selimiye Mosque in Edirne

Iznik's main period of importance came in the 16th century with the development of a pottery and tile making industry. Iznik ceramic tiles (Turkish: İznik Çini.) were used to decorate many of the mosques designed by Mimar Sinan in Istanbul. However, the ceramics industry declined in the 17th century[17] and İznik was reduced to a minor agricultural settlement when it was bypassed by the railway in the 19th century.

Iznik Museum in Nilüfer Hatun Soup Kitchen
Exterior of Eşrefoğlu complex
Şeyh Kutbuddin Mosque with mausoleum

Main sights[edit]

A number of monuments were erected by the early Ottomans in the period between the conquest in 1331 and 1402 when the town was sacked by Timur. Among those that have survived are:

  • İznik was originally ringed with 5 km (3 mi) of walls that were about 10 m (33 ft) high and enclosed within a double ditch on the landward sides. The walls incorporated over 100 towers. Large gates on the three landward sides of the walls provided the only entrances to the city. The western part of the walls rose up beside the lake which is sufficiently large that it cannot easily be blockaded from the land. Today the walls are ruined but enough still survives for them to provide a pleasant walking route.[18]
  • Yeşil Mosque (Green Mosque) The mosque was built for Çandarlı Kara Halil Hayreddin Pasha, the first Grand Vizier of the Ottoman Empire between 1378 and 1391. It is located near the Lefke Gate on the east side of the town. Damaged in 1922 during the Greco-Turkish War, it was restored between 1956 and 1969.[7][19]
  • Hagia Sophia, also known as Aya Sofya,[20] (Greek: Ἁγία Σοφία, "'Holy Wisdom') is a Byzantine-era former church which was built by Justinian I in the middle of the city in the 6th century.[21] It was here that the Second Council of Nicaea, a gathering of Christian bishops, was held in AD 787. After controversial rebuilding, it is now the Ayasofya Mosque (Turkish: Ayasofya Cami).[22]
  • Hacı Özbek Mosque (1333). This mosque was built only three years after the conquest. The portico on the west side of the building was demolished in 1940 to widen the road.[23]
  • Nilüfer Hatun Soup Kitchen (Nilüfer Hatun Imareti) Built in 1388, the building was abandoned for many years but was restored in 1955 and is now a museum.[24]
  • Süleyman Pasha Madrasa (mid 14th century). This is one of two surviving medreses in the town. It was restored in the 19th century and again in 1968.[25]
  • Mausoleum of Çandarlı Hayreddin Pasha (14th century). The main chamber contains fifteen sarcophagi. A lower room contains three more sarcophagi including that of Hayreddin Pasha. It is located in a cemetery outside the Lefke gate to the east of the town.[26]
  • Kilns Slight traces remain of the kilns used to make the pottery and tiles that once made İznik famous.

Several monuments survived into the 20th century but were destroyed during the Greco-Turkish War (1919–1922). These include:

  • Church of the Koimesis/Dormition (6th–8th century but rebuilt after the 1065 earthquake). The only church in the town that was not transformed into a mosque,[27] it was decorated with 11th-century Byzantine mosaics which survive only in photographs.[28][29]
  • Eşrefzâde Rumi Mosque (15th century). Eşrefzâde Rumi was married to the daughter of Hacı Bayram-ı Veli. He founded a sufi sect and after his death in 1469–70 his tomb became a pilgrimage site.[7] The mosque has been restored and the tomb is decorated with Iznik tiles.[30]
  • Seyh Kutbeddin Mosque and Mausoleum (15th century). The mosque and mausoleum have been rebuilt.[31][32]


There are 46 neighbourhoods in İznik District:[33]


The İznik Ultramarathon is a 130 km (81 mi) endurance running event that has taken place around Lake İznik every April since 2012. It is the country's longest single-stage athletics competition.[34]

International relations[edit]

İznik is twinned with:[35]


  1. ^ a b "Address-based population registration system (ADNKS) results dated 31 December 2022, Favorite Reports" (XLS). TÜİK. Retrieved 12 July 2023.
  2. ^ Büyükşehir İlçe Belediyesi, Turkey Civil Administration Departments Inventory. Retrieved 12 July 2023.
  3. ^ "İl ve İlçe Yüz ölçümleri". General Directorate of Mapping. Retrieved 12 July 2023.
  4. ^ Raby 1989, pp. 19–20.
  5. ^ Tsivikis, Nikolaos (23 March 2007), "Nicaea, Church of Hagia Sophia", Encyclopaedia of the Hellenic World, Asia Minor, Foundation of the Hellenic World, retrieved 20 September 2014
  6. ^ St. Sophia Museum, ArchNet, retrieved 20 September 2014
  7. ^ a b c d e f Raby 1989, p. 20.
  8. ^ Dunn 2005, p. 158 note 20. Raby (1989, p. 20) suggests a date between 1334 and 1339.
  9. ^ Defrémery & Sanguinetti 1854, pp. 323–324; Gibb 1962, p. 453
  10. ^ Raby 1989, pp. 20–21.
  11. ^ Raby 1989, p. 21.
  12. ^ Covel 1893, p. 281.
  13. ^ Pococke 1745, p. 123.
  14. ^ Sestini 1789, pp. 219–220.
  15. ^ Dallaway 1797, p. 169.
  16. ^ Uyan, Ayhan (28 November 2011), İznik'te Milli Mücadelede Yunan Tahribatı, iznikrehber.com, retrieved 19 June 2013
  17. ^ "Iznik and Ottoman ceramics". Mini-site.louvre.fr. Retrieved 2 September 2022.
  18. ^ "Walls of Nicaea". The Byzantine Legacy. Retrieved 29 August 2022.
  19. ^ Green Mosque, ArchNet, retrieved 20 September 2014
  20. ^ "İznikte Gezilecek Yerler". Türkiye'nin En Güncel Gezi ve Seyahat Sitesi, GeziPedia.net (in Turkish). Retrieved 27 June 2020.
  21. ^ Hazlitt, Classical Gazetteer, "Nicæa"
  22. ^ "Ayasofya Orhan Camiisindeki restorasyon sorunları ufak tefekmiş! haberi". Arkeolojik Haber. 25 January 2019. Retrieved 29 August 2022.
  23. ^ Haci Özbek Mosque, ArchNet, retrieved 20 September 2014
  24. ^ Nilüfer Hatun Soup Kitchen, ArchNet, retrieved 20 September 2014
  25. ^ Süleyman Pasa Madrasa, ArchNet, retrieved 20 September 2014
  26. ^ Tomb of Çandarli Hayreddin Pasa, ArchNet, retrieved 20 September 2014
  27. ^ Kastrinakis, Nikos (16 June 2005), "Nicaea (Byzantium), Dormition Church", Encyclopaedia of the Hellenic World, Asia Minor, Foundation of the Hellenic World, retrieved 20 September 2014
  28. ^ Mango 1959.
  29. ^ Kanaki, Elena (22 June 2005), "Nicaea (Byzantium), Church of the Dormition, Mosaics", Encyclopaedia of the Hellenic World, Asia Minor, Foundation of the Hellenic World, retrieved 20 September 2014
  30. ^ Esrefzade Rumi Mosque, ArchNet, retrieved 20 September 2014
  31. ^ Seyh Kutbeddin Mosque and Tomb, ArchNet, retrieved 20 September 2014
  32. ^ "Şeyh Kutbettin Camii ve Türbesi / Osmanlı mimarisi".
  33. ^ Mahalle, Turkey Civil Administration Departments Inventory. Retrieved 12 July 2023.
  34. ^ "İznik'te maraton heyecanı başladı". Sabah (in Turkish). 14 April 2012. Retrieved 26 November 2013.
  35. ^ "Kardeş Şehirler". iznik.bel.tr (in Turkish). İznik. Retrieved 18 January 2020.


Further reading[edit]

External links[edit]