Read this: The most-viewed network in France, TF1, is in nearby Boulogne-Billancourt; France 2, France 3, Canal+, France 5, M6 (Neuilly-sur-Seine), Arte, D8, W9, NT1, NRJ 12, La Chaîne parlementaire, France 4, BFM TV, and Gulli are other stations located in and around the capital. Radio France, France's public radio broadcaster, and its various channels, is headquartered in Paris' 16th arrondissement. Radio France Internationale, another public broadcaster is also based in the city. Paris also holds the headquarters of the La Poste, France's national postal carrier.
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"): Where is TF1 located?
Boulogne-Billancourt