Smaller groups of people living in a place that is controlled by another country.
Subcolonies are usually not as powerful or important as the main colony.
Examples:
The subcolonies were not as big as the main colony.
The subcolonies had to follow the rules of the main colony.
The people in the subcolonies spoke a different language than the people in the main colony.
The subcolonies were like little brothers to the main colony.
In history, subcolonies were often treated unfairly by the main colony.
The subcolonies were like small pieces of the main colony.