Q:

HTML how to make a clickable button on top of an image

I want to make an web page with a image with an clickable link wich directs to an another web page.  I dont want that the full image is clickable, just a small part of it. 
Mayby my question sounds stupid, but i'm new to HTML. 
Hope you guys can help me! 

A:

If you want to make part of an image link somewhere, use an image map.