The archaeologists working at the site are from the Czech Institute of Egyptology, which is funded by the Charles University of Prague. Their excavation began this month.
The discovery comes weeks after the Egyptian government reopened a pyramid and a complex of tombs that had been closed for restoration work for a decade.
Egypt's vital tourism industry has suffered from the country's internal unrest in the wake of the 2011 uprising that toppled autocratic leader Hosni Mubarak. A delegation from the International Monetary Fund is currently in Egypt for negotiations over a $4.8 billion loan aimed at bolstering the country's ailing economy.