Simplify the following text for a Grade 10 native English-speaking person.
Original: Access to the city of Giza , which has its own Governorate adjacent to the governorate of Cairo , is dependent on Cairo International Airport , since no official International Airport is located in Giza .
Simplified: Access to the city of Giza , which has its own governorate adjacent to the governorate of Cairo , is dependent on the Cairo International Airport .