As a result, the names and boundaries of regions can vary in popular usage.
However, the boundaries of that category vary in different usages.
The boundaries of Greater Poland have varied somewhat throughout history.
Its precise boundaries varied according to season, and, over the longer term, as efforts were made to drain the area.
The boundaries which historians and geographers give to this province vary.
The boundaries of downtown Indianapolis have varied over time as the city has grown.
The boundaries of the region also has varied over the ages.
The boundaries of South Asia vary based on how the region is defined.
The northern boundary varies between 80 and 88 Avenues.
Since these boundaries vary from one Member State to another, it is up to them to guarantee enforcement in this respect.