The Ancient Middle East Region was home to many ancient civilizations, including Sumer (5 letters), Moab (4 letters), Gaza (4 letters), and SINAI (5 letters). Sumer was an ancient civilization located in the southern region of Mesopotamia, which is now modern-day Iraq. Moab was an ancient kingdom located east of the Dead Sea in what is now Jordan. Gaza was an ancient city located on the Mediterranean coast in what is now the Gaza Strip. SINAI was an ancient region located in the northeastern part of Egypt.