According to Radio Poland, Titanic: The Exhibition is at Kraków’s Forum Hotel. According to the news report:
The exhibition also documents the stories of a group of passengers with Polish names such as Ostrowska, Paw?owski and Paw?owicz. The victims of the tragedy included a Polish Roman Catholic priest named Józef Montwi??, who was traveling to the United States to take over a parish in the state of Massachusetts. He is said to have refused a place on a lifeboat.
The exhibition runs from 9 Feb 2018- 1 Jun 2018. Information and details at https://www.wystawatitanic.pl/.
Source: Titanic Exhibition Comes To Poland’s Kraków (Radio Poland, 9 Feb 2018)