The Left Bank used to be regarded as Paris’ artsy, bohemian enclave. How times have changed. The now-sophisticated swath — home to the Latin Quarter, Saint-Germain-des-Prés and Montparnasse areas, among others — is luring well-heeled out-of-towners eager to experience Paris like a local. And for good reason: the iconic Hotel Lutetia reopened this summer after a...
