Miniature terracotta works by Marcello Aversa originate from Italy, specifically from the Sorrento Peninsula (Sorrento and Sant'Agnello). 

Artist Origin: Marcello Aversa was born in Sant'Agnello in 1966.

Artistic Style: He is known for creating miniature terracotta nativity scenes (presepi) and figures, often drawing from 18th-century Neapolitan traditions.

Workshop Location: His workshop, where he creates these works in front of visitors, is located in Sorrento.

Material: The figures are made from terracotta (earthware/clay) and are known for their intricate detail, sometimes as small as 8mm to 4cm. 

These works are deeply rooted in the artistic traditions of Southern Italy.