Islamic State militants entered the ancient city of Palmyra. Palmyra: Palmyra is an ancient city in central Syria. It is located in the eastern part of the Levant, and archaeological finds date back to the Neolithic period, and documents first mention the city in the early second millennium BCE. Palmyra changed hands on a number of occasions between different empires before becoming a subject of the Roman Empire in the first century CE. May 21, 2015. Wiki link