Brok, which is located in Koszalin between Stettin and Gdansk in northern Poland, is a regionally-based brewery with national distribution of three brands. The brewery in Koszalin began in 1874. In 1989, production began of the two strong beers Brok Sambor and Brok Martin of which the former is still the brewery's strongest brand. Brok Sambor Export is the brewery's national beer brand.
In 1990, the brewery became the first in Poland to be privatised. In 2002, Brok Brewery S.A. merged with Strzelec Brewery S.A. to form Browary Polskie Brok-Strzelec S.A. which was acquired by Royal Unibrew in spring 2005. The brewery in Koszalin has an annual capacity of 650,000 hectolitres.