Petty kingdom

Minor kingdom near a larger kingdom

A petty kingdom is a kingdom described as minor or "petty" by contrast to an empire or unified kingdom that either preceded or succeeded it. Alternatively, a petty kingdom would be a minor kingdom in the immediate vicinity of larger kingdoms, such as the medieval Kingdom of Mann and the Isles relative to the kingdoms of Scotland or England or the Viking kingdoms of Scandinavia.

This keyword could refer to multiple things. Here are some suggestions: