"Where is city hall?" seems simple, but the answer depends entirely on which city you mean. Every incorporated municipality has one, yet their locations, architectures, and accessibility vary wildly.
Most city halls anchor the historic downtown or civic center—often near the original settlement core. In planned capitals (Canberra, Brasília, Washington D.C.), they occupy designated government precincts. Older cities may have moved theirs multiple times: New York's has sat at four sites since 1653.
Services typically include: building permits, marriage licenses, property taxes, business licenses, voter registration, and council meeting access. Larger cities decentralize—neighborhood satellite offices handle common transactions.
City halls range from modest storefronts to monumental landmarks (Philadelphia's Second Empire pile, San Francisco's Beaux-Arts dome, Copenhagen's medieval-meets-modern complex). Many offer tours.