The Ziggurat of Ur is the first proper Ziggurat for which we have any evidence. However, There are raised pyramidal structures that preceded it like Tepe Sialk in Persia, but …these are not proper ziggurats. See the link below to learn more about Tepe Sialk. (MORE)
ziggurats were built when Sumerians were alive. They lived in Mesopotamia and that is where they were built. Today where Sumer was is modern day Iraq. There all still some zig…urats in Iraq that were made by the Sumerians. I believe the town is called Ur, Iraq (MORE)