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Some cities, particularly in the United States, may have prefixes or suffixes added to their names to distinguish them from other cities with similar names or to indicate their location within a larger metropolitan area. For example, the city of San Francisco is often referred to as "SF" or "the City" to distinguish it from other places named San Francisco in other parts of the world.

Similarly, cities within a larger metropolitan area may use prefixes or suffixes to indicate their location within the metro area. For example, in the Washington, D.C. metropolitan area, cities and towns in Maryland and Virginia often use prefixes such as "Bethesda-" or "Fairfax-" to indicate their location within the larger metro area.

It's worth noting that the use of prefixes or suffixes in city names is not universal and may vary depending on the country or region.