Practically all Peloponnese, except Achaea and Elis, was " Dorian," together with Megara, Aegina, Crete, Melos, Thera, the Sporades Islands and the S.W.
There is more than one meaning of Elis discussed in the 1911 Encyclopedia.
According to Philochorus, as quoted by a scholiast on Aristophanes, he fled to Elis, where he made the great statue of Zeus for the Eleans, and was afterwards put to death by them.
Of the Zeus we have unfortunately lost all trace save small copies on coins of Elis, which give us but a general notion of the pose, and the character of the head.
He was subsequently a pupil first of Stilpo and then of Phaedo of Elis, whose school he transferred to Eretria, by which name it was afterwards known.