Short answers, pulled from the story.
Avlida sits on the mainland while remaining within the Euboea regional unit. The settlement attaches to the northeastern part of Boeotia and functions as a municipal unit under Chalcis since 2011.
Modern Avlida is traditionally identified with Ancient Aulis by historians and archaeologists. This location served as the port from which the Greek army set sail for the Trojan War and features prominently in Euripides play Iphigenia in Aulis.
Venetians defeated and captured a Genoese fleet of fourteen galleys on the coast off Avlida in 1350. This conflict occurred during the war between the Republic of Venice and the Republic of Genoa along the shoreline of the settlement.
The local church of Saint Nicholas was built in the early 11th century when the modern settlement likely began taking shape. Additional Byzantine-era remains have been found near the location of the ancient temple of Artemis providing evidence of continuous habitation through the medieval period.
The population reached 10,006 inhabitants at the 2021 census according to official records. Chalcis administers the area as part of its broader regional responsibilities since the 2011 reform covering a land area of 122.235 square kilometers.