captaincy

noun

1. (countable, uncountable)The rank or status of a captain.
2. (countable, uncountable)The jurisdiction of a captain.
3. (countable, historical, uncountable)An administrative division of the former Spanish and Portuguese colonial empires.

   “He obtains a captaincy in the Catalonian army”

   “The territory bathed by this river belongs to the captaincy of Benito Maciel the father.”