Subway / Metro: The nearest metro station is Picpus on line 6 at 25 yards away and Nation is at 3 minutes walking distance where metro such like  lines 1, 2, 9, 6 do all stops as a terminus hence RER regional train line A do too stops at Nation and Bus line 351 lead to Nation directly from Gare de Lyon railways station and where ones can also reached from international airports like Roissy Charles de Gaulle and Orly (with linking connection)