New York City is so large that it is divided into five separate boroughs, each a county in its own right.

For self-governance purposes, the city is divided into 17 boroughs, each of which has its own mayor (starosta) and council.

The city of Wiesbaden is divided into 26 boroughs: five in the central city and 21 suburban districts.

In 1899 London was divided into 28 metropolitan boroughs, funded by grants and loans from central Government.

The city is divided into six boroughs for the purpose of municipal administrative division:

Bergen is divided into 8 boroughs, as seen on the map to the left.

In 1900, the County of London was divided into twenty-eight metropolitan boroughs.

Turin is divided into 10 boroughs; these do not necessarily correspond to historical districts in the city.

Alaska is divided into 16 boroughs (including unified municipalities), as opposed to "counties."

The city is divided into 18 boroughs as regulated by the City Council.