By CLAIRE CAIN MILLER

This week Google is introducing two new features. One is a new way to search — Place Search, for finding local businesses along with maps and reviews. The other is a new type of ad for local businesses, which Google calls Boost; it’s an effort to make it easier for small businesses to place ads that show up when people search for local places.

The new products are the latest step in the Yelp-ification of Google. After trying to buy Yelp last year, Google has been working on improving its local search results and helping small businesses — a huge and untapped market — advertise online.

This month, Google moved one of its star executives, Marissa Mayer, to oversee location-based services. In an interview Tuesday, she discussed the new products and her new role.

“Location is really what I would refer to as one of the fundamental layers of the Web,” she said.

More than 20 percent of the searches on Google are related to location. Now, when people search for a place, like “sushi in San Francisco” or another of 50 million unique places, Google will automatically show the new place search results.

The page lists local sushi restaurants and a rating out of five stars based on reviews around the Web. It also shows a cluster of links from across the Web with reviews of the place on sites like Yelp, Zagat, Citysearch and newspaper Web sites. And it links to the business’s Google profile page and plots the results on a map.

This information was previously available through Google, but it required a lot of research and clicks. The new results pages include about 30 to 40 links, saving people time searching. Search results for places will soon show up on mobile phones, too.

Many other sites offer local listings, reviews and ads. But Google will compile information from across the Web.

“The whole is more than the sum of its parts,” Ms. Mayer said. “This is really something that makes our results more organized as well as logical.”

This is the first time that Google will automatically trigger a special search mode instead of the general results page. If Google users search for something that is not obviously a place, like “live music,” they can click “places” in the left-hand tool panel to get local results.

On the right-hand side of the page, there are ads for related local businesses. With Boost, small businesses tell Google their ad budget and then Google comes up with key words and places the ads on behalf of the businesses.

“It is primarily targeted at small and medium-sized business that need something that’s simple,” said John Hanke, vice president of product management for Google Earth, Maps and Local Search. “It’s a market that’s largely untapped for Google, so we’re very excited.”

Ms. Mayer said that in her new job — formally, vice president of consumer products — she will work on searches for local information on Google and Google Maps, as well as mobile search and what she called “contextual discovery, or search without search.” Google wants to be able to offer local results “based on a user’s location and context,” she said.

“Places mode is the latest chapter, but we’re just getting started,” she said.