Flag of Lot, one of the departments of France.
<a href="//commons.wikimedia.org/wiki/User:Germenfer" title="User:Germenfer">Germenfer</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>, from <a rel="nofollow" class="external text" href="https://medialot.fr/oh-my-lot-la-marque-du-territoire/">Medialot.fr</a>