Map of <a href="//commons.wikimedia.org/wiki/NATO" class="mw-redirect" title="NATO">NATO</a> countries. <div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#000075;color:#202122;text-align:center;"> </div> NATO member states</div>
The image was originally made by <a href="//commons.wikimedia.org/wiki/User:Donarreiskoffer" title="User:Donarreiskoffer">User:Donarreiskoffer</a>. This version (corrected regarding Northern Ireland) is identical (except the size) to one uploaded by <a href="https://en.wikipedia.org/wiki/User:Mrowlinson" class="extiw" title="en:User:Mrowlinson">en:User:Mrowlinson</a> which didn't have a copyright license.
CC BY-SA 3.0
taken from the English Wikipedia.