The Galleria, TX - Real Estate The Galleria area is an upscale mixed-use urban development centrally located in the Uptown District of Houston, Texas, in Harris County. Conveniently located to office tower complexes, hotels, and the largest mall in Texas; known as The Galleria Mall. Bellaire Champion Forest / 1960 Clear Lake Cypress Cypresswood Friendswood Galleria Heights Katy Katy - Cinco Ranch Kingwood Memorial Meyerland Missouri City Montrose Northwest / SH290 Pearland Pearland - Shadow Creek Ranch Richmond / Rosenberg River Oaks Royal Oaks Country Club Sienna Plantation Spring - Gleannloch Farms Sugar Land Sugar Land - First Colony Sugar Land - Greatwood / River Park Sugar Land - New Territory / Telfair West Houston West University The Woodlands