Istria as described in the chapters of Cosmography, penned by the anonymous Ravenna Cosmographer (Anonymus Ravennas), including the region's rendition on the famous Peutinger's Map (Tabula Peutingeriana).
Albona, commune (Labin / Albona)
The eastern borders of the province of Istria (and the Kingdom of Italy / Holy Roman Empire) according to the 10th-century work customarily titled De administrando imperio and ascribed to Eastern Roman Emperor Constantine VII Porphyrogenitus.
The catalogue of rights that the Patriarchate of Aquileia enjoys in the Margraviate of Istria.
Istrian margrave Domnius of Castello issues orders to his subjects in Labin, asking them to release their prisoners and consign them to his care. Additionally, the margrave reminds his subjects to give him the customary tribute, the iura marchionis Istrie, under the penalty of twenty-five pounds of Veronese pennies.