The Abyssinian Meeting House is a historic church building at 73–75 Newbury Street, in the Munjoy Hill neighborhood of Portland, Maine.Built 1828-1831 by free African-Americans, it is Maine's oldest African-American church building, and the third oldest in the nation. Throughout the years, the Abyssinian was a place for worship and revivals, abolition and temperance meetings, speakers and concerts, the Female Benevolent Society, the Portland Union Anti-Slavery Society and negro conventions, and the black school in Portland from the mid-1840s through the mid-1850s. The building is the only Underground Railroad site in Maine recognized by the National Park Service. It was listed on the National Register of Historic Places in 2006.