Italy.
Rea and the others had arrived inside the union. They were quite shocked by the sight of the town.
The outer area was filled with military personnel since they would be tackling the monsters from time to time. Unlike the time when the teleportation gate still existed, there was nothing that stopped them from entering the city, so they had to make sure that the border could hold on.
But when they sneaked inside and entered a bit deeper, they found that the roads had changed and many buildings had been demolished, replaced by many apartment complexes.
Due to the influx of refugees, it seemed that they had to use it as a solution. After all, they had limited space and a huge number of people. So, they had to wait until they began some expansion to get more space for housing.