The Princeton Historic District is a 370-acre (150 ha) historic district located in Princeton, New Jersey that was listed on the U.S. National Register of Historic Places in 1975. It stretches from Marquand Park in the west to the Eating Clubs in the East, from the Princeton Cemetery in the north to the Graduate College in the south. The district encompasses the core parts of the campuses of the Princeton Theological Seminary and Princeton University. It also includes the business district centered on Nassau Street and many historic homes, both mansions in the western section and more humble dwellings in the Witherspoon/Jackson neighborhood. Notable churches within the district include Nassau Presbyterian Church, Trinity Episcopal, Nassau Christian Center, and the Princeton University Chapel. The district is home to seven of Princeton's nine, and New Jersey's fifty-eight, National Historic Landmarks, the largest concentration of such sites in the state.

Princeton Cemetery is located in Princeton, New Jersey, United States. It is owned by the Nassau Presbyterian Church. In his 1878 history of Princeton, New Jersey, John F. Hageman refers to the cemetery as "The Westminster Abbey of the United States."