Aryandes was the Persian satrap

Satrap

Satrap was the name given to the governors of the provinces of the ancient Median and Achaemenid Empires and in several of their successors, such as the Sassanid Empire and the Hellenistic empires....

 of Egypt

Egypt

Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

 in the late sixth century BCE. He was first appointed in c. 525 BCE by Cambyses

Cambyses

Cambyses can refer to two ancient rulers and two plays:-*Cambyses I, King of Anshan 600 to 559 BCE*Cambyses II, King of Persia 530 to 522 BCE*Cambyses, a tragedy by Thomas Preston...

, the Persian conqueror of Egypt. In 521 BCE, Aryandes probably dealt with a rebellion led by a local dynast named Petubastis

Petubastis III

Seheruibre Padibastet, better known as Petubastis III, is a proposed Egyptian ruler, c. 522 – 520 BCE, who revolted against Persian rule and satrap Aryandes. His name Padibastet, means Given by Bastet. This ruler was a native, local prince, dynast and probably a member of the old royal Saitic...

. By 510, Aryandes fell foul of the reigning Persian monarch, Darius I, and was executed.