Where can I find Mega burger bun in Krems on the Danube?

Mega burger bun can also be found in these cities:

Gansbach Gföhleramt Herzogenburg Langenlois Lengenfeld Mautern an der Donau Paudorf Prinzersdorf Sankt Pölten Sattledt Spitz Traismauer Weinzierl am Walde Weißenkirchen in der Wachau Zwentendorf an der Donau

You can also find this in Krems on the Danube:

Baked Goods Pumpernickel Breakfast Cereals Pies Cola Food Flips Food Supplements Delicatessen Sauces Raisin Slices