I have been to Hilton SF Union Square for at least 20 times in the past 5 years. We are hilton diamond member, so got free upgrade to executive floor each time. the room is roomy, clean. bed is very comfortable, and the best of all, is the view, of whole SF bay. hotel's location is great too, close to china town, shopping, 5min walk to bart station. Overall, my all time favorite SF hotel.
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