[1] The civil flag of the Silesian Voivodeship, Poland is a triband rectangle, with an aspect ratio of height to width of 5:8.

The coat of arms depicts a yellow eagle on the blue background, similar to the one in the voivodeship symbols.

The colours came from the oat of arms of Lower Silesia, which features black eagle on a yellow background.

It was rectangle divided horizontally into two stripes: yellow on top, and dark blue on the bottom.

The flag would be divided horizontally into three stripes, that were, from top to bottom: black, white, and yellow.