129 Rue de Grenelle, 75007 Paris France
The Army Museum is located at the center of Hôtel National des Invalides. This complex includes the Army Museum itself (Musée de l'Armée), the tomb of Napoleon 1 (Tombeau de Napoléon 1er) and the Dome church (le Dôme des Invalides).
If you are interested in military history, weapons, artillery models, it is a must-visit. Learn more on the Army museum website. You might also consider downloading the museum app: it will help navigating through the museum and will provide interesting facts about this historic place.
