Where can I find Three-grain bread in Grein?

Three-grain bread 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:

Edible Curd Flaxseed Bread Fruit Bar Olives Drinks Spaetzle Dips And Sauces Muesli Sauces And Fix Products Mega Burger Bun