Allstate Arena is a multi-purpose arena in Rosemont, Illinois, United States, northwest of Chicago, located at the corner of Mannheim Road and Lunt Avenue, just north of Mannheim Road's interchange with the Jane Addams Memorial Tollway (I-90) about 3 miles (4.8 km) north of O'Hare International Airport. The facility opened in 1980 as the Rosemont Horizon and seats 17,500 for basketball and 16,692 for ice hockey.

Rosemont is a village in Cook County, Illinois, located immediately northwest of Chicago. As of the 2020 census, the village had a population of 3,952. The village was incorporated in 1956, though it had been settled long before that. While Rosemont's land area and population are relatively small among municipalities in the Chicago Metropolitan Area, the village is a major center for commercial activity in the region and is a key component of the Golden Corridor. It contains the Allstate Arena, which hosts the Chicago Wolves AHL hockey team. Since its founding, the village has been governed by one family, and has been described as America's "last true political machine".