Country #5 is Georgia. I know very little about Georgia, except to be confused – is it “officially” in Europe or Asia? I’m tagging it as both right now; we’ll see what my reading turns up.
Map of Georgia (image in the Public Domain, via the United Nations and Wikimedia Commons) Location of Georgia (image by Aivazovsky, via Wikimedia Commons) Flag of Georgia (image from By User:SKopp (Own work based on File:Brdzanebuleba 31.pdf) [Public domain or Public domain], via Wikimedia Commons)