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Phrase(s): a Mecca for someone
Fig. a place that is frequently visited by a particular group of people because it is important to them for some reason. (From the city of Mecca, the religious center of Islam.) • New York City is a Mecca for theatergoers. • St. Andrews is a Mecca for golf enthusiasts because of its famous course.
McGrawhill's American Idioms And Phrasal Verbs