Location. The historic Hotel Ambassador Opera is located in Paris, France, 3 blocks from Opera Garnier. The hotel is three blocks from the smart department store of Galeries Lafayette. The Louvre Museum and Palais Royal are 800 metres away, while Sacre-Coeur and Montmartre are one-and-a-half kilometres away. Hotel Features. Occupying a prestigious 18th- century building, designed by Paris's architect Haussmann himself, the Hotel Ambassador Opera features contemporary design inside. Staff at the 24-hour front desk can help guests with tickets to Paris shows, restaurants and nightclubs and provide information on babysitting services. The Hotel Ambassador Opera's lavishly designed brasserie, 16 Haussmann, with gold decor and theatrical curtains, is the setting for modern French cuisine for lunch and dinner, and buffet - Near Centre - Opera - 09e Arrondissement - 16 Boulevard Haussmann 75009 9ème Arrondissement Paris France" />