User blog comment:Omega natsu2/Chapter 364: Tartarus Arc, Part 1: Immorality and Sinners, Predictions./@comment-4449950-20131214020850/@comment-8153438-20131214132437

It's possible it's located in other Countries.. Looking at the map, there's a Country/location called "Sin".. (Remembered the former translation of next chapter's title "Sin And Sinners" thought of something, but dismissed the idea)