The region was first officially defined on January 16, 1997.

Members fall within one of eight regions, defined by geographical area.

Sometimes people use alternative names for similar regions defined above.

The economic region can also be defined as the area managed by exchanges in the city.

The region is partly defined by the areas from which people commute into the city.

These regions are not defined by law and have no official standing or administrative function.

It also sought organic growth in clearly defined regions and market sectors.

The region is sometimes defined as a larger area which composes half part of the Taiwan island.

But that's not to say the region east of Hollywood, defined by three freeways and the river, doesn't have its merits.

A closed region is sometimes defined to be the closure of a region.