Which ad format is recommended for building awareness?
Dynamic image ads
Display ads with location extensions
Universal app campaigns
Branding campaigns have a unique goal: to raise awareness and visibility of your product, service, or cause. To help reach these objectives, you can use your AdWords Display network campaign. The Display Network runs text ads, colorful image ads, and multimedia ads (like video or animation) that can be particularly good for showing branding messages.
Read more here: https://support.google.com/adwords/answer/1722064