These black olives, also known as taggiasche olives, are a popular ingredient in Italian cuisine. They are grown in the region of Liguria, Italy and are known for their striking appearance and rich, savory flavor. They are often used as a garnish for appetizers, or as a topping on pizza and bruschetta. Some people enjoy them as a snack on their own. Overall, these olives are a versatile and delicious addition to any dish.