Situated on what was possibly a pre-Christian sacred site, the presently visible church was built during the 13th century.

More concretely, the area is rich in ancient remains, notably a number of picture stones dating from the 5th century.

During this time the profusely rich medieval interior decoration of the church was also successively added.

[4] Bro church displays a mix of Romanesque and Gothic architecture and art, with several Baroque details.

The nave is a high, Gothic room with broad vaults which do not rest on any supporting pillars but reach to the walls.

Bro church still has its original Romanesque baptismal font, a work by the stone sculptor or workshop known as Sigraf (c.1175–1210).