If you want to send emails through Mailchimp, you'll need a list of people to send them to - that's your audience. Once sent Campaigns will appear in Salesforce under the audience record. Campaigns are synced every hour, or you can click refresh to pull in the latest data.

The interactive demo below walks you through how to find Mailchimp campaigns and how they work in Salesforce. 

For various reasons we don't automatically create Salesforce Campaigns. Instead we create Mailchimp Campaigns in a custom Salesforce object this give a lot more flexibility. But you might want to link a Mailchimp Campaign to a Salesforce Campaign for reporting purposes. From an object perspective we have a lookup on the Mailchimp Campaign which links to a Salesforce Campaign. This of course can be used to join the two campaign types.

The interactive demo below walks you through how to link.

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