The map of Lucca is based on OpenStreetMap; you can verify the level of detail on the left-hand map.

In addition to street names, transport stops and other amenities, you can view, search and bookmark the following map features (restaurants, shops, bars...):

The offline map of Lucca also includes these areas:
Borgo a Mozzano, Altopascio, Massarosa, Lucca, Capannori, Camaiore, Pietrasanta, Fivizzano, Vecchiano, Castelnuovo di Garfagnana, Montignoso, Bagni di Lucca, Barga, Pescia, Porcari and 2 others.

When you download this map, you also get full Wikipedia articles and photos for the area, available to search and view, even without an internet connection.