Libya Greek cities were established in the area that became known as Cyrenaica. In 525 BC the Persian army of Cambyses II overran Cyrenaica, which for the next two centuries remained under Persian or Egyptian rule. Alexander the Great was greeted by the Greeks when he entered Cyrenaica in 331 BC, and Eastern Libya again fell under the control of the Greeks, this time as part of the Ptolemaic Kingdom. After the fall of Carthage the Romans did not immediately occupy Tripolitania (the region around Tripoli), but left it instead under control of the kings of Numidia, until the coastal cities
Cyrenaica by their ancestors are still found in the Awjila language of the oasis of Awjila. The ancient Berbers founded a number of cities and settlements, both on the coast and in the inland oases. Egyptian records mention that, during the New Kingdom of Egypt (thirteenth century BC), the Libu and Meshwesh tribes of Cyrenaica made frequent incursions into Egypt. Cyrenaica was colonized by the Greeks beginning in the 7th century BC, when it was known as Kyrenaika. The first and most important colony was that of Cyrene, established in about 631 BC by colonists from the Greek island of Thera,