City district

A city district, also known as an urban district or neighbourhood, is a designated administrative division that is generally managed by a local government. It is used to divide a city into several administrative units.
City districts are used in Russia, Pakistan and Croatia.
The term is also the English translation for the German Stadtbezirk; French arrondissements; Dutch stadsdeel; Swedish stadsdel and Polish dzielnica.

By country/region

In Russia, a city district is a second-level administrative unit used to divide a city. It is the standardised administration unit of numerous post-Soviet states, two levels below national subdivision.

In Germany, a city district is an administrative unit that divides a metropolis of more than 150,000 inhabitants.

A city district, or municipal arrondissement, is a subdividing unit used in France's three largest cities: Paris, Lyon and Marseille. It divides a commune within which it has its own mayor.
An arrondissement is also a term used for administrative divisions in areas such as Belgium, Haiti, and other certain Francophone countries.

There are 16 city districts of Mexico City: 15 subdivisions formally known as boroughs, and the Distrito Federal.