Castelletto di Branduzzo is generally a safe place to travel. The crime levels are lower compared to bigger cities. Like every other tourist hotspot, you need to be alert and vigilant towards petty crimes such as pickpocketing and scams in crowded areas. Local people are friendly and willing to help. Public transportation is reliable, and it's easy to navigate through the city. However, do remember, safety precautions should never be underestimated anywhere you travel.