Map of Bulgarian territory changes after the <a href="https://en.wikipedia.org/wiki/Treaty_of_Neuilly-sur-Seine" class="extiw" title="en:Treaty of Neuilly-sur-Seine">Treaty of Neuilly-sur-Seine</a> in 1919. In English <br><span style="background-color:#ff2624;border:1px solid darkgray;" title="#ff2624">    </span> Bulgarian territories ceded to the Kingdom of Serbs, Croats and Slovenes and to Greece
<a href="//commons.wikimedia.org/wiki/User:Ikonact" title="User:Ikonact">Ikonact</a>
CC BY-SA 4.0
<p><span class="int-own-work" lang="en">Own work</span>
</p><p>Data:
</p>
<ul><li>OpenStreetmap</li></ul>