[1] Its adjacent provinces are Bilecik to the northwest, Kütahya to the west, Afyon to the southwest, Konya to the south, Ankara to the east, and Bolu to the north.

There are also descendants of Turkish immigrants from the Balkans fleeing war and persecution.Eskişehir is internationally known as the source of Meerschaum, a white foamy stone which is used for making smoking pipes with detailed carvings.

[citation needed] In August 2019, researchers head by Prof. Murat Türkteki announced the discovery of two skeletons dating back about 5,000 years in the same sarcophagus in Early Bronze Age settlement Küllüoba.

[6][7][8] In August 2020, archaeologists head by Prof. Murat Türktaki revealed a 5,000-year-old paint palette made of stone in the Seyitgazi district at the Küllüoba site.

[9][10] In March 2021, discovery of the marble sarcophagus which is 1.5 meters tall and 33 centimeters wide in the Seyitgazi district at the Küllüoba site was announced by the municipal workers while construction work.