Mercury City Tower is a supertall skyscraper located on plot 14 in the Moscow International Business Center (MIBC), in Moscow, Russia. Occupying a total area of 173,960 square metres (1,872,500 sq ft), the mixed-use building houses offices, apartments, a fitness center, and retail stores.

The Moscow International Business Center (MIBC), also known as Moscow-City, is a commercial development in Moscow, the capital of Russia. The project occupies an area of 60 hectares, and is located just east of the Third Ring Road at the western edge of the Presnensky District in the Central Administrative Okrug. Construction of the MIBC takes place on the Presnenskaya Embankment of the Moskva River, approximately 4 kilometers (2.5 mi) west of Red Square.