commandery

noun4

1. •
   A territory under the control of a commander
2. •
   (historical) The smallest division of a manor under the control of a commander of an order of knights, originally only the Knights Hospitaller.
3. •
   (historical) Any of various administrative divisions of imperial China.
4. •
   A chapter of a secret order, especially the Knights Templar (order affiliated with Freemasonry).