Answer:
Its closeness to Memphis which was the capital city of ancient Egypt
Explanation:
Giza is now the 3rd biggest city in Egypt included to the Cairo metropolis and it situates in Giza plateau that surrounds most iconic and ancient historical monuments. For now, it is very important city for tourism in Egypt and World. In ancient Egypt, this city was mostly on the focal point and had importance for the people because the city was so close to the city named Memphis where was the pharaonic capital of the old Egypt kingdom. It was just 20km far away from the Memphis. Because of this point, the city was very developed and thriving in ancient times in Egypt.
