The Xfinity Center Previously the Comcast Center is an outdoor venue located in the heart of Mansfield, Massachusetts. The venue boasts a huge seating capacity of 19,900, and is split into reserved and outdoor lawn seating. The venue opened June 13, 1986 as the “Great Woods Center for the Performing Arts” and was known as the busiest venue in the New England Area, hosting an impressive 80+ events per season. It has a more modest 36 events per season, however these are often featuring the biggest music artists in the world.