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In page Chinese surname:
"Fāng (方), which is only the 47th most common overall, is much more common in San Francisco's Chinatown in the United States, although the surname is more often than not romanized as Fong, as based on the Yue dialect. As with the concentration of family names, this can also be explained statistically, as a person with an uncommon name moving to an unsettled area and leaving his family name to large number of descendants.[citation needed]