What is the difference between Decatur and North Decatur? The City of Decatur, Georgia and North Decatur, Georgia are two very popular places to live near Emory University in Atlanta. Decatur and North Decatur have a lot of similarities and attract people who want to live intown near all of the great things you can do in Atlanta. Watch this video to find out how these popular intown Atlanta neighborhoods are similar and what is different about them.