High Quality Content by WIKIPEDIA articles! The Mansion Historic District, sometimes referred to as Mansion Hill, is located south of Empire State Plaza in Albany, New York, United States. It takes its name from the nearby New York State Executive Mansion, which overlooks it. It is a 45-acre (18 ha), 16-block area with almost 500 buildings. Many of them are rowhouses and townhouses built in the middle and late 19th century that remain mostly intact today.