Margiana ( Margiane, , Old Persian: Marguš) was a region within the Achaemenid satrapy of Bactria, and a province within its successors, the Seleucid, Parthian and Sasanian Empires.

Margiana ( Margiane, , Old Persian: Marguš) was a region within the Achaemenid satrapy of Bactria, and a province within its successors, the Seleucid, Parthian and Sasanian Empires.