Spain

Spain (officially the Kingdom of Spain) is a country in Europe. Barcelona, its second largest city, serves as the primary setting of The Walking Dead: The Alien.

Pre-Apocalypse
Before the outbreak, Spain was the fourth largest country in Europe and the sixth most populous, as well as one of the larger economies in Europe.

Post-Apocalypse
Much like the United States, Spain seems to have become overrun with the undead, indicating that the outbreak was indeed global.