Negroponte was joined with the territories taken from the recently (1456) conquered Duchy of Athens, which had until then been administered by the sanjakbey of Trikala, to form the new province, which encompassed all of eastern Continental Greece.

[1] Early 19th-century sources report only nine: Eğriboz, Talanda, Livadya (Livadeia), Kizil Hissar, Salna (Salona, Amfissa), Izdin, Istifa, Athens, and Esedabad.

[2] However, the city of Athens itself was a personal property of the kizlar agha, the powerful Chief Black Eunuch of the Imperial Harem, and administered in his name by a voivode.

[3] Like all other provinces of southern Greece, from 1533 the sanjak was subordinated to the Eyalet of the Archipelago, under the chief admiral of the Ottoman Navy, the Kapudan Pasha.

Control of the region shifted between Greeks and Turks during the war, but Thebes remained in Ottoman hands and Euboea was held by the capable Omer Pasha of Kizil Hissar.