A First-Class Conference, Meeting & Special Event Facility Welcome to the Blair County Convention Center. Strategically located along Interstate 99 between the PA Turnpike and Interstate 80, the Blair County Convention Center, located in Altoona, PA is the region's premier conference, meeting, and special events facility. Nestled within the scenic mountains of Central Pennsylvania, the Blair County Convention Center combines all of the amenities of a metropolitan facility with the charm and ambiance of a small town market.