Budapest Déli station, known to locals and foreigners alike simply as the Déli is one of the three main railway stations in Budapest, Hungary.

The tram network of Budapest is part of the mass transit system of Budapest, the capital city of Hungary. Tram lines serve as the second-most important backbone of the transit system after the bus network, carrying almost 100 million more passengers annually than the Budapest Metro. In operation since 1866, the Budapest tram network is among the world's largest tram networks by route length—operating on 174 kilometres (108 mi) of total route—and is the busiest in the world.