"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.
We live in the country. I'm a redneck. No, ha-ha. I live in L.A. County, but more in the hills. Not in the fancy kind! Trust me whatever you do you do not want to come to my neighborhood!