Step:1 go to admin > online-store > Customize

Step:2 Select pages > contact

Step 3 Enter your map embed iframe tag.

Step: 4 You can find this iframe embed from Google .

• Go on the Google Maps website (https://www.google.com/maps).
• Search for the location you want to display on the map.
• Once the map is displayed, click on the menu icon (three horizontal lines) in the top left corner.
• Select “Share or embed map” from the menu.
• In the dialog box that appears, click on the “Embed a map” tab.
• Customize the map size and other settings as desired.
• Copy the generated iframe code.