What does Chiron tell Percy about Mount Olympus?

Chiron tells Percy that the gods are real, and that Mount Olympus......

“Well now, there’s Mount Olympus in Greece. And then there’s the home of the gods, the convergence point of their powers, which did indeed used to be on Mount Olympus. It’s still called Mount Olympus, out of respect to the old ways, but the palace moves, Percy, just as the gods do.”

“You mean the Greek gods are here? Like ... in America?”