The city is governed by a mayor-council system. The current mayor is Antonio Villaraigosa. There are 15 city council districts. Other elected city officials include the City Attorney Rocky Delgadillo and the City Controller Laura N. Chick. The city attorney prosecutes misdemeanors within the city limits. The district attorney, elected by county voters, prosecutes misdemeanors in unincorporated areas and in 78 of the 88 cities in the county, as well as felonies throughout the county. The Los Angeles Civic Center (where city hall is located) is the largest grouping of government buildings in the U.S., outside of Washington D.C.
The Los Angeles Police Department (LAPD) polices the city of Los Angeles, but the city also maintains four specialized police agencies; The Office of Public Safety, within the General Services Department (which is responsible for security and law enforcement services at city facilities, including City Hall, city parks and libraries, the Los Angeles Zoo, and the Convention Center), the Port Police, within the Harbor Department (which is responsible for land, air and sea law enforcement services at the Port of Los Angeles), the Los Angeles City Schools Police department which handles law enforcement for all city schools, and the Airport Police, within the Los Angeles World Airports Department (which is responsible for law enforcement services at all four city-owned airports, including Los Angeles International Airport (LAX), LA/Ontario International Airport (ONT), LA/Palmdale Regional Airport (PMD), and Van Nuys Airport (VNY), (the busiest general aviation airport in the country).
LAPL, Los Angeles Public Library System and the Los Angeles Unified School District (LAUSD) are among the largest such institutions in the country. LAUSD is the second largest school district in the United States; only the New York City Department of Education is larger. The Los Angeles Department of Water and Power provides service to city residents and businesses.
