I think it's Spain, it all looks very Mediterranean, the colours fit, and most of all, one of the pictures in the house is of a flamenco dancer.

The prospect of Portugal as the DLC region... shaking and crying

The Spain map is literally there:

I love the cat but I'm not really feeling the other two at the moment. The duck is giving Ducklett knockoff, and honestly the fire starter doesn't quite look like a Pokémon.