Fantastic location, small but very effective use of space. We stayed for 3 nights with a 3 month old and a 2 year old and it suited us very nicely. Romain was easily contactable and helped us with some luggage issues on the last day if our trip. He arranged a friend to meet us and go through the features of the apartment on arrival and this was quite helpful. The neighborhood is fantastic, many little shops and small supermarkets making it the perfect launch pad for adventuring. Easy walking distance to Etienne Marcel and Les Halles Metro stations. We walked a lot with the children, but as far as the Champs-élysées quite comfortably. Metro connection in from Gare du Nord was easy, about 15 minutes. Overall we were very happy an would love to stay here again when we get back to Paris.