The province of Chieti is a province in the Abruzzo region of Italy. Its provincial capital is the city Chieti, which has a population of 53,163 inhabitants. The province has a total population of 392,763 inhabitants as of 2015 and spans an area of , giving it a population density of 151.09 inhabitants per square kilometre. It is divided into 104 comuni (comune) and the provincial president is Mario Pupillo.