[1] It is one of the central metropolitan districts of the city of Bursa, as well as the fourth largest overall municipality in Turkey.

The first marks of the Ottoman Empire exist within Osmangazi where it extended from the foot of Uludağ to the plain of Bursa.

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.

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 II., the active role of Bursa and its qualification as the administrative center had faded away.

It is believed that the walls surrounding the city were built by Bithynians and used by the Romans, Byzantines, and Ottomans after maintenance.

Osmangazi, the center of social and economic relations for years, is in the crossroad of roads to İzmir, İstanbul and Eskişehir.