The Park City Chamber of Commerce/Convention and Visitors Bureau is the official tourism organization of Park City, Utah.  They are a government-funded organization which markets Park City as a destination and provides tourism information and assistance to potential vacationers and business travelers free of charge.  The tourist board's website is a good place to start for people who are looking for information on the area and are thinking of visiting.  The site provides hotel info, events listings, ideas for things to do, shopping and dining info, and weather information in several languages.  The organization will also help people plan large events and meetings.   

If you know that you will be coming to the Park City area, you may also want to check the CVB's website for special lodging deals and packages, many of which are only available through them.