Historically, North Holland was characterized by a mix of Dutch Reformed (Calvinist) Protestantism and Roman Catholicism. Today, the province—like much of the Netherlands—is highly secularized, with a majority of the population not identifying with any religious group.
However, due to international migration, the region boasts diverse religious communities. There are substantial Muslim populations (predominantly of Moroccan and Turkish descent) with numerous mosques in urban centers. Amsterdam also has a profound Jewish history; though tragically decimated during WWII, the community remains culturally significant, anchored by sites like the majestic **Portuguese Synagogue**. Historic churches, such as the **Westerkerk** in Amsterdam and the **St. Bavo Kerk** in Haarlem, now frequently serve as event spaces and museums alongside their religious functions.


