Flag of <b><a href="https://en.wikipedia.org/wiki/Bo%C5%99islav" class="extiw" title="en:Bořislav">Bořislav</a></b> municipality, Teplice District, Czech Republic.
Unknown author<span style="display: none;">Unknown author</span>
Flag granted to the municipality 30/XI/2007
<a rel="nofollow" class="external text" href="http://rekos.psp.cz/detail-symbolu/id/4d7b4858-0d1c-473d-9975-b39161519717">REKOS - official database of municipal symbols at website of Chamber of Deputies</a>