The Princeton University Department of Psychology, located in Peretsman-Scully Hall, is an academic department of Princeton University in Princeton, New Jersey. For over a century, the department has been one of the most notable psychology departments in the country. It has been home to psychologists who have made well-known scientific discoveries in the fields of psychology and neuroscience.

Nassau Hall, colloquially known as Old Nassau, is the oldest building at Princeton University in Princeton, Mercer County, New Jersey, United States. In 1783 it served as the United States Capitol building for four months. At the time it was built in 1756, Nassau Hall was the largest building in colonial New Jersey and the largest academic building in the American colonies.