Borough (noun)

1. An administrative division of a city or town, usually with its own elected officials and government.
2. A district in some towns or cities.

Origin:

The word borough comes from the old english word "burh" which means a fortified place, usually a town. it refers to an administrative division of a city or town, usually with its own elected officials and government.

Examples:

1. He was elected to represent his borough in the city council.
2. The borough of Brooklyn is known for its diverse neighborhoods.
3. The borough of Queens is the largest by area in New York City.
4. Each borough has its own mayor and council.
5. The borough of Manhattan is the most densely populated.