wojciechborowicz

This plugin will let you add google map as a shortcode to your website. 
It lets you create maps of two types. 
1 – Customizable Google Map, which requires API key from google. 
2 – A free embedded iframe google map.
The plugin is made to be as simple, as possible to make it easy for beginner users.
When you create a map, plugin will generate a shortcode, which you can then place on any page, post or a custom post type.

Smooth Maps

This plugin will let you add google map as a shortcode to your website.

brajesh

Embed Iframe is a plugin that will let you embed iframe – an HTML tag that allows a webpage to be displayed inline with the current page, in a WordPress post. Although an iframe can lead to a complicated website, it can be very effective when used appropriately.
<h3>Usage</h3>
Use following tag to insert another page in post using iframe
<pre><code>[iframe url width height]
</code></pre>
e.g.
<pre><code>[iframe http://www.example.com 400 500]
</code></pre>

Embed Iframe

Allows the insertion of code to display an external webpage within an iframe.

Smooth Maps vs Embed Iframe