Wikipedia: "Palmyra (Arabic: تدمر Tadmur) was in ancient times an important city of central Syria, located in an oasis 215 km northeast of Damascus and 180 km southwest of the Euphrates at Deir ez-Zor. It has long been a vital caravan city for travellers crossing the Syrian desert and was known as the Bride of the Desert. The earliest documented reference to the city by its Semitic name Tadmor, Tadmur or Tudmur (which means "the town that repels" in Amorite and "the indomitable town" in Aramaic.) is recorded in Babylonian tablets found in Mari.
Though the ancient site fell into disuse after the 16th century, it is still known as Tadmor in Arabic, and there is a newer town next to the ruins of the same name."