What is your favorite city / country?
I confess I like Gotham a lot more than I do Batman (who is awesome, but not as awesome as the city he lives in)
I was lukewarm on Markovia for a while, but Doomsday Clock has shown how cool an idea it is. I love Modoria, the tiny Eastern European / Former Soviet Union city-state ruled over by a luddite king usurped by Bito Wvaldon AKA Sonar, Master of Supersonic Sound! Johns teased some Sonar stuff during his GL run but we never got a full-on Sonar story.
I love what Johns did with Coast City as a military town, St.Roch as New Orleans-esque and the twin Cities of Keystone and Central City as blue-collar motor cities