The two principal centres of population are Serra (dialect: Sèra), the site of the town hall, and Vicinato (dialect: V’žinà) with the parish church; further nuclei are Palmaro (dialect: Cà di Parmàn), Dorato, and Pessine (dialect: Psìn-i) which is notable for its castle.[3][4][6]
Odalengo Piccolo is known for the truffle fair Tufo & tartufo, which has been held during the autumn truffle season since 1994, and for the wide variety of antique native apple cultivars that are grown locally.[7][8]
Toponyms
Odalengo enters the historical record in 1298–99 as Odalengum ultra Sturiam. The form Odalengum minus, which distinguishes ‘Little Odalengo’ from the nearby Odalengo Grande, is recorded in 1306; Odalengum parvum is found in 1320 and Odalengo Prato in 1474.[4]
Vicinato appears as Viscenale in 1279, while Serra is apparently recorded as Serra in 1163 and Pessine as Pisinum in 1171.[4]
^ abcdC. Aletto and others, ‘Odalengo Piccolo’ in Repertorio storico-biografico di architetti, pittori, scultori ed artigiani attivi nelle chiese extraurbane della Diocesi di Casale Monferrato (Associazione Casalese Arte e Storia).