Basilica di San Tammaro Vescovo, Baroque minor basilica in Grumo Nevano, Italy

The basilica di San Tammaro Vescovo has a tripartite facade divided by two orders of pilasters and topped by a triangular pediment, with the central portal flanked by niches holding statues. Its single square bell tower rises three storeys, each side pierced by two arched windows. Inside, a Latin-cross plan with three naves meets at a dome-covered crossing, and the central nave has a wooden coffered ceiling.

The site was documented as a religious building starting in 1132, making it one of the area's long-standing places of worship. A major reconstruction occurred in the late 1600s, followed by its formal consecration in 1737 when the stucco decorations were completed.

The church is dedicated to Saint Tammaro, a bishop, and holds a wooden statue of him from the second half of the 17th century, plus a silver bust made by Giandomenico Vinaccia in 1677, the same craftsman behind silver busts in Naples Cathedral. The transept chapels are dedicated to the Madonna del Rosario and to San Tammaro.

The basilica stands in the centre of Grumo Nevano, in the metropolitan city of Naples and the diocese of Aversa. It is the second-largest church in the Aversa diocese after the cathedral of San Paolo, so allow time to walk its three naves and side chapels. The building was restored in 1920-1922, 1969-1976 and 2014-2015.

The counter-façade, the inner wall above the main entrance, carries Santolo Cirillo's fresco of Moses striking water from the rock; the same local painter supplied the canvases of the Deposition and the Annunciation. In the right transept, beneath his Deposition, stand two wooden statues of Saints Joachim and Anne attributed to Giuseppe Sarno.