The subsidiary units of many towns and cities are called osiedles rather than dzielnice, although it is also possible for osiedles to exist within a dzielnica. Numbers and sizes of dzielnice vary significantly between cities.
The minor components in many towns and cities are called osiedles instead of dzielnice, even though it is possible for osiedles to be found within a dzielnica. The number and size of dzielnice differ significantly across various cities.