Title: Ultimate Fighting Championship
Content:  The Ultimate Fighting Championship (UFC) is an American mixed martial arts (MMA) promotion company based in Las Vegas, Nevada. The UFC is owned and operated by Zuffa, LLC, a wholly owned subsidiary of Endeavor Group Holdings. It is the largest MMA promotion company in the world and features some of the highest-level fighters in the sport on its roster. The UFC produces events worldwide that showcase twelve weight divisions (eight men's divisions and four women's divisions) and abides by the Unified Rules of Mixed Martial Arts. As of 2020, the UFC has held over 500 events. Dana White has been 
Title: UFC Apex
Content:  UFC Apex is a live events and production center in Enterprise, Nevada, operated and owned by the Ultimate Fighting Championship (UFC). The facility was chosen in part due to its close proximity to the UFC Performance Institute, which serves as the company headquarters and is located across the street. The Apex was built to host live events as well as studio shows.
Title: Ultimate Fighting Championship
Content:  The UFC Performance Institute is the official mixed martial arts school for UFC. The building is located in Las Vegas, Nevada opposite the UFC APEX. The institute was opened in 2017, and is the world's first mixed martial arts center for innovation, research and training. As many as 400 MMA athletes have visited the center, as well as NFL, NBA, NHL and MLB athletes. UFC Performance Institute- Shanghai In June 2019, a second facility was opened in Shanghai, China. It has been used to train athletes from China for the Olympic games.
Title: Ultimate Fighting Championship
Content:  The first UFC event to be held outside the contiguous United States was UFC 8 in Puerto Rico, a US territory, in 1996. Subsequently, the UFC has visited 15 countries in Asia, Europe, Oceania, South America, and North America. Canada has hosted events 18 times, starting with UFC 83 in 2008 and most recently in 2015 with UFC 186. UFC's biggest event to date was also in Canada, as UFC 129 held at Rogers Centre featured a record-breaking attendance of 55,724. The United Kingdom has been home to 16 events. The first was UFC 38 held in London in 2002. UFC returned to the United Kingdom in 2007 with UFC 70, and visited Northern Ireland 
Title: Ultimate Fighting Championship
Content:  president since 2001. Under White's stewardship, the UFC has grown into a globally popular multi-billion-dollar enterprise. The first event was held in 1993 at the McNichols Sports Arena in Denver, Colorado. The purpose of the early Ultimate Fighting Championship competitions was to identify the most effective martial art in a contest with minimal rules and no weight classes between competitors of different fighting disciplines. In subsequent events, fighters began adopting effective techniques from more than one discipline, which indirectly helped create a separate style of fighting known as present-day mixed martial arts. In 2016, UFC's parent company, Zuffa, was sold 
Title: Sports in the Las Vegas metropolitan area
Content:  Along with significant rises in popularity in mixed martial arts (MMA), a number of fight leagues such as the premier MMA organization in the world the UFC call Las Vegas home with the headquarters of world operations due to the number of suitable host venues with an annual international fight week held near July 4. The Mandalay Bay Events Center and MGM Grand Garden Arena are among some of the more popular venues for fighting events and have hosted several UFC and other MMA title fights, with the addition of the new T-Mobile Arena.
Title: Final Fight Championship
Content:  Final Fight Championship (FFC) is an international fighting sports promotion company founded in 2003 by the FFC owner and CEO Orsat Zovko. The company has its headquarters in Las Vegas, Nevada, USA, as well as a European office in Zagreb, Croatia. FFC started as a kickboxing promotion, in 2013 FFC introduced MMA fights in its events as well as boxing matches in 2016.
Title: UFC 12
Content:  state, that would host UFC 12. It was first announced that UFC 12 would be held in Niagara Falls, New York, to which it was ultimately denied sanctioning rights. Next, it was announced that UFC 12 would be held in Oregon, which soon banned the event. Finally, the UFC returned to Alabama, where it appeared in the small city of Dothan, located about 200 miles southeast of Birmingham. The UFC would continue to hold events exclusively in Southern US States (aside from occasional shows in Japan and Brazil) until 2001, when the UFC was sanctioned by the New Jersey State Athletic Commission.
Title: List of Canadian UFC fighters
Content:  The Ultimate Fighting Championship (UFC) is a mixed martial arts (MMA) promotion, founded in 1993 by Art Davie and Rorion Gracie. The organization was purchased from its parent company SEG in 2001 by Zuffa LLC, a promotional company owned by Las Vegas casino magnates, Lorenzo and Frank Fertitta and managed by Dana White (current president of operations). Since its inception, and through its current Zuffa management, the UFC has remained one of the more dominant MMA promotions in the world, playing host to a wide field of MMA fighters. This list provides an up-to-date roster of all fighters that represent Canada 
Title: UFD Gym
Content:  University of Fighting in Düsseldorf (UFD Gym) is a professional martial arts gym situated in German city Düsseldorf. Gym was founded by Dijaković brothers, Ivan and Tomislav - in 2013. It quickly became successful. In 2016 they were voted the best MMA Gym in Germany by the German martial arts portal GNP1.de. In 2017 UFD Gym was voted as "the best gym of the year in Germany" by the German web portal GFN (German Fight News). UFD Gym features professional fighters who have competed in promotions such as the Ultimate Fighting Championship (UFC), Konfrontacja Sztuk Walki (KSW), Professional Fighters League (PFL) and Final Fight Championship (FFC). It also features professional boxer such as World Boxing Association heavyweight champion Manuel Charr or European EBU heavyweight champion Agit Kabayel. UFD Gym also offers membership classes to children and adults in Boxing, Brazilian jiu-jitsu, Kickboxing, Muay Thai, Submission Grappling, Wrestling, MMA and Crossfit. Gym also hosted some fighting events such as West German GEMMAF Championship in 2018. or Elite MMA Championship in 2017.

Question: where is the ufc headquarters?
Answer: Las Vegas.