North Caucasus Railway Administration Building, Art Nouveau railway administration building in Teatralnaya Square, Rostov-on-Don, Russia

The North Caucasus Railway Administration Building is a four-story brick and plastered structure on Teatralnaya Square, built in the rationalist strand of Art Nouveau with eclectic motifs. It occupies a whole block and has three inner courtyards. Its facades combine red and ocher paint, a rusticated ground floor and relief emblems of the Vladikavkaz Railway.

The Vladikavkaz Railway administration long rented premises in Rostov-on-Don before a 1910 competition chose Nikolai Valter's design; civil engineer Andrei Butkov drew the plans. Construction ran from summer 1911 to autumn 1913, with consecration on 27 October 1913. The site lay on the border of Rostov and Nakhichevan-on-Don, later part of Proletarsky District.

The facade displays railway emblems that reflect the importance of the Vladikavkaz Railway to the region's development and identity. These ornamental details celebrate the transportation network that shaped the city's growth.

The building sits on Teatralnaya Square in the city center and is easy to locate and view from the outside. Since it remains an active railway administration center, interior access may be limited or restricted.

The building continues to serve as a railway administration center today, remaining functionally active rather than becoming merely a museum or cultural monument. This ongoing operational use is relatively uncommon for such early 20th-century structures.