He wrote in the Ionic dialect of his time.

Though a Dorian by birth, he adopted the Ionic dialect, with its uncontracted terminations, its accumulated vowels, and its soft forms.

Herodotus wrote in the Ionic dialect, and his style is marked by an ease and simplicity which lend it an indescribable charm.

He wrote in the Ionic dialect, and some of his works have gone through three hundred editions, so highly have they been valued.

Halicarnassus was one of the most important of the Doric cities, of which Herodotus was a native, though he wrote in the Ionic dialect.