Under Nebuchadnezzar II, Failaka was under Babylonian control. Cuneiform documents found in Failaka indicate the presence of Babylonians in the island's population. Babylonian Kings were present in Failaka during the Neo-Babylonian Empire period, Nabonidus had a governor in Failaka and Nebuchadnezzar II had a palace and temple in Falaika. Failaka also contained temples dedicated to the worship of Shamash, the Mesopotamian sun god in the Babylonian pantheon.