Boulogne-sur-Seine received a small part of the territory of Passy, and about half of the territory of Auteuil (including the area of Billancourt, which belonged to the disbanded commune of Auteuil).
Boulogne-sur-Seine menerima sebagian kecil teritori Passy, dan setengah teritori Auteuil (termasuk wilayah Billancourt, yang dimiliki komune terhapus Auteuil).