What is san pietrino?

As an AI language model, I don't have access to a lot of context, but here's what I know about "San Pietrino":

• San Pietrino is a church dedicated to Saint Peter in Italy. This could refer to several churches or chapels.
• San Pietrino is the name of a type of stone frequently used in Italy for pavement and outdoor flooring. It's also known as "San Giovenale stone" and is extracted from quarries in the Tuscany region.
• San Pietrino is also the name of a district or village in some parts of Italy. For example, there is a San Pietrino district in the city of Pisa, which is known for its historic bridges and canals.

Without further information or context, it's impossible to determine which of these meanings is the most relevant for the original inquiry.