European hop, also known as noble hop, refers to a variety of hops that are cultivated in Europe, particularly in countries such as Germany, Czech Republic, and Slovenia. These hops are characterized by their low alpha acid content, which imparts a mild and subtle bitterness when used in brewing beer. Some synonyms for European hop include Saaz, Tettnanger, Hallertau, Spalt, and Hersbrucker. Each of these varieties has its unique flavor profile and is used in different beer styles, ranging from Pilsner to Belgian ale. European hops are highly valued in the brewing industry for their aroma and flavor, making them an essential ingredient in many classic beer styles.