Basilica Minor under the invocation of the Blessed Lady Mary in Inowrocław - Credit: Wikimedia Commons
The church under the invocation of the Blessed Lady Mary in Inowrocław, so-called The Ruin – the oldest church in Inowrocław and one of the oldest in the Kuyavia region of Poland, dating back to the 12th century. It serves as a parish church. Since 2008 it holds the title of a minor basilica. Read more on Wikipedia
Source: en.wikipedia.org