Haydn House is a historic building located in Eisenstadt, Austria. It was the residence of the famous composer Joseph Haydn from 1761 until his death in 1809. The house has been preserved as a museum, showcasing Haydn's life and work, along with various artifacts from the classical music era. The museum features rooms that reflect the period's style, including a concert hall where Haydn's music was performed. Visitors can explore exhibits that highlight his contributions to classical music, including his symphonies and string quartets, making it a significant site for music enthusiasts and historians alike.