Ptah.
PTAH is the answer for chief god of Memphis.
The capital of Ancient Egypt was Memphis. They had Memphis as a capital for over eight dynasties all through out the Old Kingdom.
In Egypt.
Memphis, Giza
Memphis
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Ptah
The ancient Egyptian deity that was considered the paramount deity of the Memphis area is Apis.
The pharaoh always lived in the capital city. In ancient Egypt, that was Memphis.
Memphis
Memphis, Thebes, Cairo
The word is 'capital' and it was called 'Memphis'