A county is a geographical region used for administrative or political purposes within a country. It is typically a subdivision of a state or province and is responsible for local governance, including services like law enforcement, education, and public infrastructure. Counties vary in size and population depending on the country and its administrative structure.
An example of a county is Los Angeles County in the United States. It is one of the most populous counties in the U.S. and includes the city of Los Angeles. Los Angeles County provides various local government services to its residents, such as public safety, health services, and transportation.