The flag of the Lviv Region (Ukrainian: Прапор Львівської області; translit.: Prapor Lvivs'koi oblasti) is one of regional flags of Ukraine. It is a symbol of the Lviv Oblast that inherits a historical tradition of using regional symbols and is an attribute of the local government and executive powers. It was officially approved on February 27, 2001 by the decision of the Lviv Oblast Council. The flag represents a banner of 2:3 proportion. With emblem region in the center — crowned yellow (golden) color lion. Height of lion — 3/4 of the flag's width, the distance from the upper and lower edges of the cloth — 1/8 the width of the flag. In the flip side — a mirror image. The reference sample flag field is kept in the office of Chairman of the Regional Council.
Source: Wikipedia