The Royal Liverpool Philharmonic Society is a British society based in Liverpool, England, that manages a professional symphony orchestra, a concert venue, and extensive programmes of learning through music. The society is the second oldest of its type in the United Kingdom. Its orchestra, the Royal Liverpool Philharmonic Orchestra, is the country's longest-surviving professional orchestra. The RLPO is the UK's only orchestra that has its own hall. In addition to the orchestra, the society administers the Royal Liverpool Philharmonic Choir, the Liverpool Philharmonic Youth Orchestra and other choirs and ensembles. It is involved in educational and community projects in Liverpool and its surrounding region. It is based in the Liverpool Philharmonic Hall, an Art Deco concert hall built in the late 1930s.