(administrative region or administrative district, which should not be confused with "district") is a subdivision of some Bundesländer
. It is itself divided into districts
) or equivalent city (kreisfreie Stadt
The sixteen states are divided into 32 Regierungsbezirke, ranging in population from 5.3 million (Düsseldorf) to 500,000 (Trier). Not all states have this sub-division, some are directly divided into districts.