1.145 Acres Available for Lease or Sale Centered along Post Oak Boulevard and Westheimer Road is Houston’s most exclusive and premier shopping district. The Galleria/Uptown area offers more than 700 retailers, fine dining and hotels within two square miles. This area is also home to Texas' largest shopping mall, The Galleria mall. With more than 375 stores (luxury included), two hotels, an ice rink and endless food options, The Galleria is the ultimate shopping destination for locals and visitors from all over the world.