September 6, 2026

In 1040 Emperor Henry III established this medieval frontier territory covering the Istrian peninsula. Klana was a possession of its noble Counts of Castel Duino, and Kožljak lay in its Austrian portion as a loaned feudal holding. Which political territory is it?

A Empire of Nicaea
B Kingdom of Imereti
C March of Carniola
D March of Istria

The March of Istria was a Holy Roman frontier march established under Emperor Henry III in 1040. It covered the Istrian peninsula on the northern Adriatic and included Klana and Kožljak among its fortified towns.

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