Merrill Auditorium is a 1,900-seat auditorium located in Portland, Maine, United States. Originally known as Portland City Hall Auditorium , it is located in the eastern section of Portland City Hall. Organizations such as PCA Great Performances and the Portland Symphony Orchestra use the auditorium as a primary performance space. The auditorium was built in 1911 and underwent renovation in 1997. It features a large pipe organ, the Hermann Kotzschmar Memorial Organ, donated by Cyrus Curtis.

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Merrill Auditorium is a 1,900-seat auditorium located in Portland, Maine, United States. Originally known as Portland City Hall Auditorium , it is located in the eastern section of Portland City Hall. Organizations such as PCA Great Performances and the Portland Symphony Orchestra use the auditorium as a primary performance space.

The auditorium was built in 1911 and underwent renovation in 1997. It features a large pipe organ, the Hermann Kotzschmar Memorial Organ, donated by Cyrus Curtis.