Where can I find Rocket in Grein?

Rocket can also be found in these cities:

Amesleiten Amstetten Aschbach-Markt Bad Zell Euratsfeld Lanzenberg Linden Lugendorf Sankt Georgen am Ybbsfelde Sankt Oswald Schönau im Mühlkreis Steinakirchen am Forst Strengberg Weistrach Öhling

You can also find this in Grein:

Cake Glaze Peanut Butter Ice Cream Desserts Meat Products Instant Coffee Poppy Seed Roll Canned Fruit Olive Oil Champagne Aperitif