The Parlamentarium, is the European Parliament's visitor centre, located in the Espace Léopold complex in Brussels, Belgium.

Situated on the Parliament's esplanade, the Parlamentarium is noted as the largest parliamentary visitors' centre in Europe and ranks second worldwide in size.

[1] Visitors to the Parlamentarium are provided with a Personal Multimedia Guide (PMG), which offers an interactive tour through the exhibition, displaying content relevant to each area; all materials in the Parlamentarium are available in the 24 official EU languages.

The PMG is needed for accessing each installation, offering detailed information, audio commentary through an in-ear speaker, and short films in the selected language.

[2] The centre also accommodates tours for children and people with hearing or visual impairments.