Iron Age city in Hejaz, Arabia. Nabonidus (reigned 555-539 BC) was the last king of the Neo-Babylonian empire and lived there for 10 years. There is a series of large walled compounds and a small mound in the center of town. There is a cultic area and carved scenes with an iconography derived from the Mesopotamian world. Stelae with Aramaic inscriptions of the 1st millennium BC have been found. As early as the 6th century BC, the Chaldean kings of Babylon maintained Tayma as a summer capital.