Definition: The Egyptian name for what the Greeks called Thebes is Waset. It is located near modern Luxor.
Thebes was a capital city for Egyptian pharaohs of the 18th dynasty (c.1550–1290 B.C.) located in Upper Egypt. The temples of Luxor and Karnak are in Thebes.
Sources:
Joseph Grafton Milne , Antony J. S. Spawforth "Thebes (2)" The Oxford Classical Dictionary. Simon Hornblower and Anthony Spawforth. © Oxford University Press 1949, 1970, 1996, 2005.
"Thebes" The Oxford Dictionary of English (revised edition). Ed. Catherine Soanes and Angus Stevenson. Oxford University Press, 2005.

