The interiors have undergone a series of fresco decorations over the centuries.

The interior is rather sober, with few decorations, aside from the extensive fresco decoration of the Giottesque school.

At the beginning of the 14th century - in the Palaiologan era - the church underwent minor architectonic changes and its fresco decoration was renewed.

A few remnants attest to its once-rich fresco decoration.

It has traces of original fresco decorations.

By 1551, he completed the fresco decorations of the Municipio in Trento.

Viktor Barvitius is also the author of fresco decorations of the interior.

They are built on the Byzantine pattern, in small scale, and have painted fresco decoration.

The walls and particularly the niches on the right have some fresco decoration, which dates in part to the 14th century.

It has a neoclassical facade and fresco decorations.