This ancient temple is one of the Seven Wonders of the Ancient World and is located in the ancient city of Ephesus in modern-day Turkey. Dedicated to the Greek goddess Artemis, the temple was constructed in the 6th century BC and was considered one of the largest and most impressive
From Wikipedia
The Temple of Artemis or Artemision, also known as the Temple of Diana, was a Greek temple dedicated to a localised form of the goddess Artemis. It was located in Ephesus, near modern day Selçuk in Turkey. While it had been destroyed and rebuilt many times in ancient history, the last incarnation of the temple was destroyed in 401 CE. Only foundations and fragments of the last temple remain in the present day.