"Batman's" Gotham Was... Scott Snyder and Greg Capullo
According to the post, writer Rex Ogle and artist Freddie E. Williams II designed it. They also note the pirate trade routes shown will be explored in issue #2 of the series, as well as in the Deathstroke and the Curse of the Ravager miniseries. Looking at some of the other locales, you can map some of the other tie-ins to their parts of the world as well.
Check the Source throughout the day for interviews about the global conflict at the heart of the story.