Add your own google map

Sorry guys im not an expert in html and css but,
where can i add own map in this theme .
I mean i want add in somebox but dont know exacly where this . I eadit page easilly with chrome i add my map where i want but don’t know exacly what file is it.
Can somene tell me name of file where can i add my map in exacly div where i want to do it?
for example i found:

<div class="hs-blog-wrap hs-clearfix">
						<div class="hs-blog-post hs-clearfix wow hs-left-img fadeInLeft" data-wow-duration="0.5s" data-wow-delay="600ms" style="visibility: visible; animation-duration: 0.5s; animation-delay: 600ms; animation-name: fadeInLeft;">
					<div class="hs-blog-thumbnail" style="background-image:url();">
						<a href="http://localhost/2016/11/30/witaj-swiecie/">
							<img alt="portfolio thumb" src="http://localhost/wp-content/themes/hashone/images/portfolio-thumb.png">
						</a>
					</div>

					<div class="hs-blog-excerpt">
					<h5><a href="http://localhost/2016/11/30/witaj-swiecie/">Witaj, świecie!</a></h5>
					<div class="hs-blog-date"><i class="fa fa-calendar"></i>30 listopada 2016</div>
											</div>
				</div>
						</div>

and know i can replace it with my map and change is what i looking for . But don’t know where file exacly contains this.
Can someone just help me ?
Thanks