Zona Río is an official zone of, and the main modern business district, of the city of Tijuana, Mexico.
Zona Río is located at a strategic point, in the north of the city, about 1mi from the U.S.-Mexico border and 9mi from Centre City in San Diego. The Río Zone is within the Delegación Centro, or Central borough, of Tijuana. The old downtown of Tijuana, Zona Centro, borders Zona Río on the west. The Zona Río is home to most of the commercial and financial businesses in the city as well as the city's main health services. The majority of Tijuana's banks, hotels, shopping squares, large hospitals, restaurants, and many other businesses are headquartered here, along Zona Río's three main avenues.
Although being comparatively small in comparison with other Mexican cities main business districts, such as those of Monterrey and Guadalajara, Zona Río has notable skyscrapers, which due to the relative distance between them, are very prominent. The tallest buildings are the 28-story twin towers that are home for the Plaza Aguacaliente and Grand Hotel Tijuana, commonly known by locals as Las Torres or The Towers.