Your page NAME is found in the [head] section and looks like this
INSERT NAME HERE
That’s the one that appears in the browser tab.
[h1] tags, generally, the first heading (this usually the most important) in a SECTION of the page. You can have multiple [h1]s on a page.
In the past, it was ‘generally accepted’ that your logo image should be wrapped in an [h1] tag and the text automagically hidden just leaving the image.
I think, today, that’s not necessarily the best SEO way to get your site name ‘out there’. As long as your logo image has relevant [alt] and [title] tags you are probably good.
Others may disagree.
Here’s something from a couple of years back: http://www.pitstopmedia.com/sem/h1-heading-seo