Rosello is a village and comune of the province of Chieti in the Abruzzo region of Central Italy. A number of city-dwellers have summer homeā¦Rosello is a village and comune of the province of Chieti in the Abruzzo region of Central Italy. A number of city-dwellers have summer homes in the area. The village borders the following comuni: Agnone, Borrello, Giuliopoli, Roio del Sangro and Villa Santa Maria.