The city has a good well-sheltered harbour, reputed the best in northern Chile, and is the port of La Serena, the provincial capital, 9 m.
His work is an attack on Toland's Letters to Serena (1704), which argued that motion is essential to matter, and on Locke and Berkeley.
Stilicho and Serena were named guardians of the youthful Honorius when the latter was created joint emperor in 394 with special jurisdiction over Italy, Gaul, Britain, Spain and Africa, and Stilicho was even more closely allied to the imperial family in the following year by betrothing his daughter Maria to his ward and by receiving the dying injunctions of Theodosius to care for his children.
It is the chief town of an undulating plain, La Serena, locally celebrated for red wine and melons.
Pietra serena or macigno, a stone of a firm texture also used for building purposes, is quarried at Monte Ceceri below Fiesole.