The octagonal campanile dates from 1273.
It is square below, with an octagonal summit of a slightly later period.
To the north of Chieti is the octagonal church of S.
The fine octagonal belfry was built early in the 15th century.
Its Gothic cathedral, founded in 1037 and reconstructed in 1405, is the largest in Piedmont, and has a 13th century octagonal baptistery.