(664–332 BC)
A term used by Egyptologists for the period from the beginning of Dynasty 26until the conquest of Egypt by Alexander the Great. Some scholars also include Dynasty 25. During this time, the royal court was located in the Delta at Sais and other cities. Egyptian rulers attempted to maintain the independence of the country against outside aggression from Persia but were ultimately unsuccessful.
Historical Dictionary Of Ancient Egypt by Morris L. Bierbrier
Ancient Egypt. A Reference Guide. EdwART. 2011.