Lower Silesian Voivodeship flag. Adopted 23 July 2009. Introduced 17 December 2009.
Own work based on:

[1] - nowy herb / new coat of arms.
Nowy herb i flaga województwa. - Wojciech Sitarz - dolnyslask24.net
nowa flaga / new flag - www.umwd.dolnyslask.pl
Mboro