Here is the flag of Buk city and commune, in Poznan county, Lodz vojvodship,
as presented at the commune's website.
Flagdescription: green over blue, separated by a white fly-diagonal
Coat of Arms: argent an erased beechtwig with 3 leaves vert, surmounted by a
key azure. ['buk' = beech]
Jarig Bakker, 10 Mar 2008