Frédéric is a such a kind and thoughtful host! He gave us a tour of the neighborhood when we arrived, and though he speaks English well, he let us practice our very basic and slow French with him.
The apartment itself is lovely and located close to the Gare de Lyon and another metro stop. The neighborhood is quiet at night, but there are still many restaurants nearby. Would definitely recommend staying with Frédéric and Adriana if you get the chance!