The Sunthorn Phu Monument is a memorial dedicated to the great poet of the Rattanakosin era, Phra Sunthorn Wo-harn, commonly known as Sunthorn Phu. It is located along the Klaeng-Mae Phim Road in the Kram subdistrict of Klaeng District, Rayong Province. This area is believed to be the birthplace of Sunthorn Phu's father, and it is said that he visited this place during his youth.