This article is about the municipality. For its namesake, see Osman I. For other uses, see Osman Gazi (disambiguation).

Fountain of brotherhood between Osmangazi-Bursa and Stari Grad-Sarajevo in Bursa
Nickname(s): Osmanlıların Kurucusu (The founder of Ottomans)
Coordinates: 40°07′58″N 29°10′37″E / 40.13278°N 29.17694°E / 40.13278; 29.17694Coordinates: 40°07′58″N 29°10′37″E / 40.13278°N 29.17694°E / 40.13278; 29.17694
Country Turkey
Province Bursa
Municipality Osmangazi
Mayor Mustafa Dündar
  District 476.25 km2 (183.88 sq mi)
Population (2012)[2]
  Urban 778,843
  District 792,219
  District density 1,700/km2 (4,300/sq mi)
Time zone CET (UTC+1)
  Summer (DST) CEST (UTC+2)
Postal code 16x xx
Area code(s) 0224
Licence plate 16
Website www.osmangazi.bel.tr

Osmangazi is one of the central metropolitan districts of the city of Bursa in Bursa Province, as well as the fourth largest overall municipality in Turkey. The municipality has a population of approximately 778,843 as of 2012. On its own, it would be the 8th largest city in Turkey.

The district has been shaped by several civilizations: Rome, Byzantium, Seljuqians, and Ottomans. The first marks of the Ottoman Empire exist within Osmangazi where it extended from the foot of Uludağ to the plain of Bursa. Within the boundaries of Osmangazi, approximately 1800 registered historical buildings exist.


It was stated that there were various settlements in Bursa and its surroundings by 4000 B.C. But the certain information related to the region belongs to 700 B.C. Homeros called the region as Mysia. There are two villages that remind Mysia settlements: Misi (Gümüştepe) and Misebolu. The region is called as Phrygia in the historical geography. It is known that Kimmers, running from Skyths, put an end to Phrygian sovereignty. The name of Bursa comes from the founder of this city, Prussias, the King of Bythinia. The Bythinians, who immigrated to the region in 7th century B.C., used the name Bythinia.

It was pointed out that one of the most important commanders that Carthage had recommended the establishment of the City of Prusias and Olympus to King Prusian I. in 185 B.C. By the time, "Prusa" has been transformed to Bursa.

When Bythinia joined the Roman Empire in 74 B.C., it became the Asian Province that was governed by proconsuls (head of the province), who are assigned in Rome.

Bursa was under the sovereignty of Byzantine between 385-1326 A.D. The city became a thermal city after the thermal baths while silk production in the region started in 550 A.D. Bursa was seized by Osman Bey in 1307 and conquered by Orhan Bey, the son of Osman Bey, on 6 April 1335. The capital of the empire was moved to Bursa in 1335 and new development movements were initiated. When Bursa was conquered, the city consisted of the inner castle, but Orhan Gazi had the Orhan Gazi Complex built out of the town. Public buildings such as mosques, baths, soup houses, hospitals, madrasahs were built out of the walls, where new settlements had been created, hence a new tradition of settling area had been established. Right after the conquest of Istanbul by Sultan Mehmed I., the active role of Bursa and its qualification as the administrative center had faded away. There are no buildings surviving from Roman and Byzntium era. It is perveiced that the walls surrounding the city were built by Bythinians and used by Romans, Byzantiums and Ottomans after maintenance.

Bursa had developed more than other cities in the first two centuries of Ottomans. It was ornamented with a number of architectural structures and became a trade city as well as a science city, where various famous madarasahs were located. Hüdavendigar Complex of Sultan Murat I., Yıldırım Complex of Sultan Bayezid I., Green Complex whose construction was initiated by Sultan Mehmet I. and finished by Sultan Murat II. had affected the spatial development of Bursa and those still exist. Industrialization within the city was accelerated in the republican era, so that the population and the urban development of the city have changed in 1960s. The geographical location and the agricultural and industrial potential have increased the attraction of the city.


Osmangazi, the center of social and economic relations for years, is in the crossroad of roads to İzmir, İstanbul and Eskişehir. Osmangazi is the biggest district of Bursa that is on the southwest coast of Marmara Sea. Gökdere River on the east, Nilüfer River and Mudanya Road on the west, Katırlı Mountains on the north, Uludağ and Kirazlı Plateau are the natural and artificial boundaries of the district.


Nonetheless following types of industries exist in Osmangazi: automotive supply industry, textile, towel, knitter & tricot, shoe industry, agricultural machines, furniture, leather, plastic, machine and metal industry, electric, foundry, welding machine, stove and knife sectors. Moreover, there are also oil and flour factories.

Main sights

Historical monuments

Friend cities


  1. "Area of regions (including lakes), km²". Regional Statistics Database. Turkish Statistical Institute. 2002. Retrieved 2013-03-05.
  2. "Population of province/district centers and towns/villages by districts - 2012". Address Based Population Registration System (ABPRS) Database. Turkish Statistical Institute. Retrieved 2013-02-27.
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