Which of the following is a famous German hop?

Hallertau is indeed a famous German hop variety, well-known for its use in traditional German lagers and ales. Originating from the Hallertau region in Bavaria, this hop is prized for its mild and balanced aroma, lending floral, herbal, and spicy notes to beers. Its versatility makes it suitable for a range of beer styles, particularly those that emphasize balance and traditional German flavor profiles.

Saaz is a traditional Czech hop, renowned for its use in Pilsners, while Stryian Goldings is a Slovenian variety, and Challenger is a British hop known for its earthy and floral aromas. Each of these hop varieties serves unique purposes in brewing but is not classified as a German hop like Hallertau.