Collegiate Church of the Holy Cross and St. Bartholomew (Polish: Kolegiata Świętego Krzyża i św.

Bartłomieja) in Wrocław, Poland, is a two-storey brick Gothic collegiate church[2][3] on the Ostrów Tumski (Cathedral Island), considered the second most important Roman Catholic church in Wrocław.

[4] Construction was continued by, among others, bishop Nanker and parish priest Jan Stanko.

15h-century Polish chronicler Jan Długosz described the church as "beautiful and magnificent" following his visits in Wrocław.

[4] From 1502 to 1538 renown astronomer Nicolaus Copernicus was a member of the collegiate chapter.