Title to the modern city and the construction of the castle King Sigismund I gave the crown hetman Jan Tarnovsky. Along with the castle in the valley Seret poured dam and built a dam, bridge, causing the river overflowed and formed became known today as Ternopil became ...

Castle fortifications of earth and stone was built in 1540-1548 years Twenty years fortifications rebuilt. From the southwest castle was protected by the river Siret and water artificial pond created in 1548. On the other side it was surrounded by a wall and fence with two towers from the city took a deep ditch. Got to the castle through the rocker bridge.

In 1566 the privileges mentioned Ternopil castle as active and its founder. Due to the significant cost of building the city is exempt from many taxes. Strengthened and added onto the castle has a son John Tarnowska - Christopher. A lot of money invested in the completion and expansion of the castle as Tomasz Zamoyski, who received the city as a dowry of his wife Catherine, daughter of Prince K Ostrog.

Location of the castle in the pool caused his riznopoverhovist. From the west, he had two more floors and basements casemates in pidmurivkah toward the pond looked loopholes. These stone cellars were not just places of detention for disobedient. Near the castle were erected other buildings - a bakery, kitchen, stables. Castle housed in defense arsenal towers. Throughout its history, the castle was subjected to frequent attacks of invaders. Particularly serious damage suffered castle during attacks of the Turks and Tatars in 1675. Ordyntsi burned the castle, completely destroyed the fortifications, blew up the tower, lowered water from the pond. Traces of the devastation were long. In the inventory in 1690 mentions that the castle was in ruins Continuous Town - no chain, entrance gate - without a roof. Then the damaged walls and pidmurivky and burned dwelling converted into stables.

After the transfer of the ownership of the city Sobieski, castle, largely returned to its original form, and in this condition he remained until the end of the XVIII century. At the beginning of XIX century, the then owner of the town Francis Korytovskyy rebuilds old castle in the palace znisshy remains of fortifications. Contours of his usual wall and entrance gate decorated.

In the years 1810-1815, when Ternopil edge was part of Tsarist Russia, the castle opened casino is taking place scores. After redemption of the city from the last owner in 1843, the castle was given at the barracks.

Since the mid XIX century and by 1939 the castle served mainly as a barracks. He spared no trouble the First and Second World Wars. It burned in 1917, but suffered major damage in the spring of 1944. After a nine-day battle castle was taken. Surrounding the building blew engineers.

In 1957 the old castle was rebuilt and placed it sports school. The restored ancient building became a symbol of the city.