The Collaborative International Dictionary of English v.0.48:

Toparchy \To"parch*y\, n.; pl. Toparchies. [L. toparchia, Gr.
   ?. See Toparch.]
   A small state, consisting of a few cities or towns; a petty
   country governed by a toparch; as, Judea was formerly divided
   into ten toparchies. --Fuller.
   [1913 Webster]