First came the Aeolians, who settled the region to the north of Smyrna (now Izmir), then the Ionians, who settled the coast south of Smyrna as far as the River Maeander.
Smyrna was never renamed to Izmir, it is still Smyrna.
mnli hypothesis: Smyrna was never renamed to Izmir, it is still Smyrna. premise: First came the Aeolians, who settled the region to the north of Smyrna (now Izmir), then the Ionians, who settled the coast south of Smyrna as far as the River Maeander.