Bailiwick n. : The precincts within which a bailiff has jurisdiction; the limits of a bailiff's authority.

Example:
How much could I sell a Bailiwick Of Guernsey 50p coin for?

Taxonomy
bailiwick, google, bailiff, free encyclopedia, English terms, Bicester, lease, leaseholders, bailli, village, non-English, territory, sphere of knowledge, search, Unsourced, jurisdiction, writ, authority.

Defination from the web:
bailiwick is the area of jurisdiction of a bailiff. ... Autonomous area · Bailiwick · Banner (Autonomous banner) · Block · Borough (County borough · Metropolitan borough) · Cadastral division · Capital ...