The Galician–Volhynian Chronicle mentions that the King Daniel of Galicia came to Horodok with his forces to join Mstislav Mstislavich the Bold while they fought with Polish-Hungarians over the Galician land.

This was the place where King of Poland and Grand Duke of Lithuania Jagiełło died on 1 June 1434.

In 1772, Gródek was annexed by the Habsburg Empire, as part of Austrian Galicia, where it remained until late 1918.

Austrian authorities closed local Franciscan monastery, turning it into a military depot.

[5] During the summer of 1942, approximately half of the Jews in Gródek were murdered by the Nazis[5] assisted, in some cases, by their local Ukrainian auxiliaries.

[6] The remainder were shot and buried in mass graves on 3 February 1943 in the final liquidation of the Jewish ghetto in the town.