The Boston Convention and Exhibition Center (BCEC) is an exhibition center in Boston, Massachusetts, United States. In July 2025, it was renamed the Thomas Michael Menino Convention and Exhibition Center (MCEC). The building is among the largest exhibition centers in the Northeastern United States, with approximately 516,000 square feet (47,900 m2) of contiguous exhibition space. The main exhibition floor comprises three bays which can be isolated for separate shows or linked into one large space.