Abydos  (a-bī´dos ), next to Thebes the most important city in the ancient kingdom of Upper Egypt. Here was found, 1817, in a corridor of the temple of Seti I. a very important tablet giving a succession of sixty-five kings beginning with Menes, covering a period of about 2,200 years. A similar tablet containing eighteen names, found in the temple of Rameses in 1818, was removed by the French consul-general, sent to Paris, and finally purchased for the British Museum.