Nakoleia (Greek: Νακώλεια[1] and Νακόλεια[2]) also known as Nakolaion (Νακώλαιον),[1] Latinized as Nacolia or Nacolea, was an ancient and medieval city in Phrygia. It corresponds to present-day Seyitgazi, Eskişehir Province in the Central Anatolia region of Turkey.