Short answers, pulled from the story.
Avlida is a municipal unit within the municipality of Chalcis, in the Euboea regional unit of Greece. Despite its administrative classification under Euboea, it is located on the Greek mainland, on the northeastern edge of Boeotia. At the 2021 census its population was 10,006.
Avlida is traditionally identified with the ancient port of Aulis. Greek tradition held that Aulis was the gathering point of the army that set sail for the Trojan War.
Euripides set his play Iphigenia in Aulis on this coast. The ancient port of Aulis serves as the play's dramatic setting.
The precise founding date of Avlida is not known. The modern settlement likely dates to the early 11th century, when the local church of Saint Nicholas was built.
In 1350, Venetian forces defeated a Genoese fleet off the coast of Avlida, capturing all fourteen galleys. The engagement was part of the war between the Republic of Venice and the Republic of Genoa.
Negroponte was the Venetian name for their colony on the island of Euboea, which lies across the water from Avlida. By the late 14th century, Avlida likely formed part of a five-mile wide strip of mainland coast that Venice controlled opposite Negroponte.