Sveta Nedjelja is a small church island located near the coast of the town of Petrovac in Montenegro. This picturesque islet, with a church on top, is a popular tourist attraction and a symbol of Petrovac. According to local legend, the church was built by sailors who survived a shipwreck, as a token of gratitude to God for their survival.

Sveta Nedjelja can be reached by boat, and the church and island offer a stunning view of the Adriatic Sea and the surrounding area. The island, together with the nearby island of Katič, forms a recognizable landscape of Petrovac.

Sveta Nedjelja is often visited for its spiritual and historical significance, as well as for its natural beauty.