Wrigley Field is a baseball stadium in Chicago, Illinois, United States that has served as the home ballpark of the Chicago Cubs since 1916. It was built in 1914 as Weeghman Park for the Chicago Federal League baseball team, the Chicago Whales. It was also the home of the Chicago Bears of the National Football League from 1921-1970.It also hosted the second annual NHL Winter Classic on January 1, 2009. It was also called Cubs Park from 1920 to 1926 before finally being renamed for then Cubs team owner and chewing gum magnate William Wrigley Jr.

Located in the residential neighborhood of Lakeview, Wrigley Field sits on an irregular block bounded by Clark (west) and Addison (south) Streets and Waveland (north) and Sheffield (east) Avenues. The area surrounding the ballpark contains bars, restaurants and other establishments and is typically referred to as Wrigleyville. The ballpark's mailing address is 1060 W. Addison Street.

Wrigley Field is nicknamed The Friendly Confines, a phrase popularized by "Mr. Cub", Hall of Famer Ernie Banks. Since 2006, its capacity has been 41,118, making Wrigley Field the fourth-smallest and most actively used ballpark in 2006. It is the oldest National League ballpark and the second oldest active major league ballpark (after Fenway Park on April 20, 1912), and the only remaining Federal League park. When opened in 1914, Wrigley Field had a seating capacity of 14,000 and cost $250,000 to build.