'Return the list of regions.
:return: A list of region objects.
:rtype: ``list`` of :class:`GCERegion`'

def ex_list_regions(self):

    list_regions = []
    request = '/regions'
    response = self.connection.request(request, method='GET').object
    list_regions = [self._to_region(r) for r in response['items']]
    return list_regions
