Dilmun is an ancient place that was really important in the past. People used to go there to do business and visit because there were lots of resources and cool places to explore. It was especially important for trade because different cultures met there and were able to exchange goods. Dilmun was located in the area now known as Bahrain and the eastern coast of Saudi Arabia. People believed that Dilmun was a paradise, a place where people could go to find peace.