Where can I find Particle in Graben?

Particle can also be found in these cities:

Amberg Augsburg Bobingen Buchloe Geltendorf Kissing Königsbrunn Landsberg am Lech Mering Penzing Pürgen Schwabmünchen Stadtbergen Türkheim

You can also find this in Graben:

Semolina Porridge Cake Vanilla Sugar Jelly Ice Cream Desserts Meat Products Lemonades Instant Coffee Pumpkin Seed Roll Canned Meat