This area is quite safe and you can walk to the Spain square and metro station, there are many food restaurants around this place, it is convinent. The most imprtant thing for me is that your host is a pretty nice person, because you live in the host's house, I am so grateful that she helps me to recieve my packet before my travel and she welcomed us warmly and gave us many tips and brief introductions about this city, the house is clean and comfortable, it is a good choice for you.