Its castle, standing on a promontory, is of unknown age.
The town is situated on a rocky promontory, crowned by a Byzantine fortress, and has a growing trade.
The town is finely situated on and between the slopes of the two extremities of the promontory of Monte Conero, Monte Astagno to the S., occupied by the citadel, and Monte Guasco to the N., on which the cathedral stands (300 ft.).
The town, with wide streets and picturesque promenades, is finely situated on a promontory, the base of which is washed on the south by the Cousin, on the east and west by small streams. Its chief building, the church of St Lazare, dates from the 12th century.
The great artificial harbour, enclosed by breakwaters, is bounded on the south by a slight promontory.