Magnolia 5.6 reached end of life on June 25, 2020. This branch is no longer supported, see End-of-life policy.
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/modules/multisite/config/sites/<site-name>/i18n/locales
/site/config/site/<site-name>/i18n/locales
/modules/travel-demo/config/travel
.For furthr further details about configuring locale for a site, please see Language configuration: 3. Define locales in site.