A dry Savannah at the beginning of the game, where a nomadic tribe lives. Giza Plains is the only location in Ivalice that changes appearance according to weather; into a wet land. Giza Plains appears again in Final Fantasy XII: Revenant Wings.
Giza is the third biggest city in Egypt. It is possible that Giza Plains from Final Fantasy XII is based on the real Giza, because the real Giza is dry, just like the Giza Plains from Final Fantasy XII.
'Giza' in Arabic means 'brief', 'short', 'soon' or roughly 'temporary'.