DoubleTree by Hilton is an American hotel chain and a part of Hilton Worldwide. Most DoubleTree hotels are independently owned and operated by franchisees, but some are managed by Hilton Worldwide. DoubleTree has been the fastest growing Hilton brand by number of properties since 2007, and by number of rooms from 2007\u20132015, until in 2016 Hilton Garden Inn opened more rooms. As of December 31, 2018, it has 559 properties with 130,714 rooms, including 117 that are managed with 33,779 rooms and 442 that are franchised with 96,935 rooms.DoubleTree competes in the full service category, alongside sister chain Hilton Hotels & Resorts. Among the many signature things that DoubleTree is known for are their chocolate chip cookies, which were originally made in the early 1980s for VIPs but now given to all guests and made by Nashville-based Christie Cookie Company for over 30 years.
DoubleTree by Hilton Burlington