Sogdia lay east of Bactria.
After an extended campaign putting down Sogdian resistance and founding military outposts manned by his Macedonian veterans, Alexander united Sogdiana with Bactria into one satrapy
== History ===== Prehistory ===Sogdiana possessed a Bronze Age urban culture: original Bronze Age towns appear in the archaeological record beginning with the settlement at Sarazm, Tajikistan, spanning as far back as the 4th millennium BC, and then at Kk Tepe, near modern-day Bulungur, Uzbekistan, from at least the 15th century BC

