👉 Chaldaism is an ancient religion that originated in northern Mesopotamia, where it was practiced by the Assyrians and Babylonians. It is named after the city of Chaldea, which is located along the river Tigris in modern-day Iraq. The term "chalda" comes from the Greek word "chalax," meaning "to spread." The religion traces its roots back to ancient Mesopotamia, where it was practiced by the Assyrians and Babylonians