Original: Artemision), also known less precisely as Temple of Diana, was a Greek temple dedicated to Artemis completed— in its most famous phase— around 550 BC at Ephesus (in present-day Turkey).
Simplified: Artemision, Latin: Artemisium), also known as Temple of Diana, was a temple dedicated to Artemis. It was completed around 550 BC at Ephesus (in present-day Turkey) under the Achaemenid dynasty of the Persian Empire.