Budapest's first elegant metropolitan avenue artificially constructed late 19th century after the unification of Buda and Pest. The avenue sets off as a typical downtown main road with high-rise apartment houses and continues as a wider, spacious, greener tree-lined avenue bordered with majestic villas. The Millennium Underground stretching under Andrássy út was put into service in 1896 as the first underground train system on the Continent, carrying passengers over the four kilometres in less than ten minutes. Today, the subway transports passengers in modern carriages but through authentically refurbished tunnels. Visitors are invited to stop off at the stations every now and then to look at the little exhibitions at each station.

The Hungarian State Opera House and the Pest Broadway are other precious treasures of Andrássy Avenue.