SM Megamall is a shopping mall located in the Ortigas business district of Metro Manila, Philippines. It is one of the largest SM Supermalls developed and operated by SM Prime Holdings, the largest mall operator in the Philippines owned by Henry Sy, Sr.. The mall has two buildings connected with a bridge and occupies a land area of approximately 10 hectares and has a total floor area estimated at 506,435 square metres (5,451,220 sq ft), making it the largest shopping mall in the country.