Which ad extension would you use for an advertiser who has a chain of restaurants?
Seller ratings
Location extensions
Sitelink extensions
Previous visits extensions
Explanation:
Benefits of Location extension
- Location extensions encourage people to visit you in person.
- You can add multiple addresses by linking your account to Google My Business.
- On average, ads with location extensions see a 10% boost in clickthrough rate.
- You can target your ads around your business addresses.
Why not all of them? Even it’s not indicated in question, let’s assume that a question is “what is the best” type of extensions for a local restaurants. Otherwise a question is too confusing. Keep in mind that Google recommends to “Use every extension relevant to your business”.
Extensions expand your ad with additional information—giving people more reasons to choose your business. With location extenstions you can encourage people to visit your business by showing your location, a call button, and a link to your business details page—which can include your hours, photos of your business, and directions to get there. It’s with no doubts the great choice for various local buisinesses including restaurants.
You should choose extensions based on your goals.
Read more here: https://support.google.com/adwords/answer/2404182?hl=en