What is the setting in novel Catcher Rye?

The main setting of The Catcher in the Rye by J.D. Salinger is Pencey Prep, fictional all-boys’ boarding school in Agerstown, Pennsylvania. The story spans several days as protagonist Holden Caulfield leaves school following his expulsion and heads to New York City. Salinger’s vivid writing paints a detailed pictures of both settings with their unique atmospheres and contrasting landscapes.