Opposition (18) The Silesian Voivodeship Sejmik (Polish: Sejmik Województwa Śląskiego) is the regional legislature of the Voivodeship of Silesia in Poland.

It is a unicameral parliamentary body consisting of forty-five councillors elected for a five-year term.

The current chairperson of the assembly is Jacek Jarco of PL2050.

[1] The assembly elects the executive board that acts as the collective executive for the regional government, headed by the voivodeship marshal.

Members of the assembly are elected from seven districts and serve five-year terms.