of St. Paraskeva Busk has a long history. It was first mentioned in the 1097
Primary Chronicle as Bug city (), in the context of a dispute between
Rus' princes for the border area between the principalities of
Halych and
Volhynia. The city was named due to its location near the
Western Bug river, which is locally known as the Bug river. Busk was granted a town charter in 1411 by
Siemowit IV, Duke of Masovia. In the
Polish–Lithuanian Commonwealth, it belonged to the
Belz Voivodeship in the
Lesser Poland Province, and was the seat of a separate administrative unit, the
Land of Busk. The town remained part of Poland until the
First Partition of Poland (1772), when it was seized by the
Habsburg Empire, and remained in
Austrian Galicia until 1918. In 1913, the population of Busk was 8,000, including 3,500 Poles, 2,700 Jews and 1,800 Ukrainians. In the interwar period, Busk belonged to
Kamionka Buska County,
Tarnopol Voivodeship, until the
Soviet invasion of Poland in September 1939. {{Historical populations|1921|6148|1931|7010|2022|8662 Busk had a very active Jewish community before World War II. The first synagogue was built in 1502. The old Jewish cemetery was renowned. On July 1, 1941, German forces occupied Busk. The Jewish population was transferred to a
ghetto, and then murdered on May 21, 1943. 1500 Jews perished during this operation. From May to November 1943, the Germans operated a
forced labour camp for Jews in the town. Raisel Meltzak, a Jewish child from Busk, was among the first Holocaust survivors to have her testimony recorded when she was interviewed by
David P. Boder at a home for displaced Jewish orphans in France on September 8, 1946. Until 18 July 2020, Busk was the administrative center of
Busk Raion. The raion was abolished in July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Lviv Oblast to seven. The area of Busk Raion was merged into Zolochiv Raion. ==International relations==