We don't have synonyms for satrapy yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are satrap and satraps.
(n) :
(historical) The territory governed by a satrap; a province of any of several ancient empires of West Asia (specifically, of the Median or Achaemenid empires or certain of their successors, including the Sasanian Empire and Hellenistic empires).
(n) :
(historical) The territory governed by a satrap; a province of any of several ancient empires of West Asia (specifically, of the Median or Achaemenid empires or certain of their successors, including the Sasanian Empire and Hellenistic empires).