Planning Areas of Singapore increasingly adopted these boundaries for their administrative purposes. For example, the Statistics Department of Singapore published its 2000 census data based on planning area boundaries for the first time, compared to using census divisions based on electoral boundaries for previous exercises. The Singapore Police Force's (SPF) neighbourhood police centres have jurisdiction boundaries based on planning area boundaries when they were officially gazetted in 1999, as opposed to electoral divisions under the previous neighbourhood Police Post system. Planning Areas are further subdivided into subzones for statistical purposes. <nowiki>*</nowiki> = Place names attested to be of Malay origin and referred to similarly
Administrative divisions of Iran RD U; and district Y has no cities and one RD V. The minimal county consists of only one city as the only district, named Central, which is most common. The county B in the following table is of such type, containing only one city Q. Administrative divisions of Iran The first level of country subdivisions of Iran are the (; "ostānhā") provinces. Each province is further subdivided into counties called shahrestan (), and each shahrestan is subdivided into districts called bakhsh (). There are usually a few cities () and rural districts () in each county. Rural districts are