ヘッセン＝ダルムシュタット方伯領
The estate comprised two separate territories. The main parts were the original "Untergrafschaft" ("lower county") with its capital at Katzenelnbogen in the Middle Rhine area and the "Obergrafschaft" ("upper county") south of the Main River around Darmstadt, predecessor of the Landgraviate of Hesse-Darmstadt.