Brown Memorial Park Avenue Presbyterian Church of Baltimore, Maryland, U.S., is a large, Gothic Revival-style church built in 1870 and located at Park Avenue and Lafayette Avenue in the city's Bolton Hill neighborhood. Named in memory of a 19th-century Baltimore financier, the ornate church is noted for its exquisite stained glass windows by artist Louis Comfort Tiffany, soaring vaulted ceiling, and the peo0le associated with its history. Maltbie Babcock, who was the church's pastor 1887–1900, wrote the hymn This is My Father's World. Concert performer Virgil Fox was organist at Brown Memorial early in his career (1936–1946).

Baltimore is the most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 census, it is the 30th-most populous city in the United States. Baltimore was designated an independent city by the Constitution of Maryland in 1851, and is currently the most populous independent city in the nation. As of the 2020 census, the population of the Baltimore metropolitan area was 2,838,327, the 20th-largest metropolitan area in the country. When combined with the larger Washington metropolitan area, the Washington–Baltimore combined statistical area (CSA) has a 2020 U.S. census population of 9,973,383, the third-largest in the country.