Alcek (Bulgar: Altsikurs) was the leader of an Utigur Bulgar horde that settled in the villages of Gallo Matese, Sepino, Boiano and Isernia in the Matese mountains of central Italy.
Grimoald sent Altzek and his followers to his son Romuald in Benevento and they were then granted by Romuald land northeast of Naples in the "spacious but up till that time deserted" towns of Sepino, Bovianum (Boiano), and Isernia, in the present-day region of Molise in the Apennines.
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Excavations in the necropolis of Vicenne-Campochiaro near Boiano which dates from the 7th century, found among 130 burials that there were 13 human burials alongside horses along with artifacts of Germanic and Avar origin.
Some notable sites that have fortification walls built in this technique include Norba, Signia, Alatri, Boiano, Circeo, Cosa, Alba Fucens, Palestrina, and Terracina.