Basilica of St. John is part of the monastery complex of St. John the Divine, which is located in Biograd. A former Benedictine monastery today is a ruin. At the same time, it was one of the most interesting architectural structures, reminiscent of the past of Biograd.

The monastery complex was built around 1060 during the reign of King Peter of Croatia Krešimir IV. It is noteworthy that the heyday of the power of the kingdom came just for this period. It built the monastery of St.. St. John the Evangelist was totally on the money king. In 1076 the monastery was fortified roof, which made the whole building is much higher than before.

Monastery with the Basilica of the Venetians destroyed, trying to win Biograd in 1125. After that, the monks moved to the island of Pasman, where the newly founded monastery, but Sts. Cosmas and Damian.

Over time, the Basilica of St. John in Biograd was only the foundation, but even in its contours it can be concluded that the structure was once a three-aisled basilica. The ruins were discovered by archaeologists in the city center.

Of particular importance in the history of the monastery and basilica game Save chartulary, ie collections of documents that prove that the territory of the monastery lands Biograd and Tkonski have been assigned legally in 1060 and in 1396, respectively. In kartikulyariyah saved as bookmarks, and fields were seen recording Glagolitic.