Oktogon is a station on the Yellow M1 (Millennium Underground) line of the Budapest Metro under Oktogon. The station is located at the junction of Budapest's Grand Boulevard (Nagykörút) and Andrássy Avenue (Andrássy út). It was opened on 2 May 1896 as part of the inaugural section of the Budapest Metro. This section, known as the Millennium Underground Railway, was the first mostro system in continental Europe. In 2002, it was included into the World Heritage Site
October 8, 2020