Google Maps Can not be load!

Hello,
I would like to add google maps same as on this page (http://themes.semicolonweb.com/html/canvas/contact.html) I mean only city will be pointed like Melbourne, Austraila.
I will point to Istanbul, Türkiye.

I have created API key from google for domain to seferimguvende.com.

in contact page code is:

						
							Hi! We are Envato!
Our mission is to help people to **earn** and to **learn** online. We operate **marketplaces** where hundreds of thousands of people buy and sell digital goods every day.
", icon:{ image: "images/icons/map-icon-red.png", iconsize: [32, 39], iconanchor: [32,39] } }]'>
						

But google does not load maps: http://seferimguvende.com/iletisim.html

can you please tell me how can I solve this.

thanks in advance

Hello again;
I have done it, but now loaded gry thing! Can you please check it: http://seferimguvende.com/iletisim.html