The most successful, booming Little Italy neighborhood is not in New York, Boston or Chicago - it's in San Diego. While other Little Italy neighborhoods and ethnic communities across the nation have struggled to maintain their identities following the surge of immigration and subsequent flight of immigrant families to the suburbs, San Diego's Little Italy has flourished.

The neighborhood has experienced a renaissance over the past 20 years thanks to redevelopment efforts and the district management corporation that has made the community into its own little city. Once the tuna fishing capital of the world, San Diego's Little Italy neighborhood was a bustling neighborhood in the 1940s and '50s where Italian immigrants - mainly from Sicily - started their new lives in America. 

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Source: http://www.courthousenews.com/