Where can I find Baking soda in Obertrum am See?

Baking soda can also be found in these cities:

Alkoven Bergheim bei Salzburg Bürmoos Elixhausen Elsbethen Eugendorf Faistenau Freilassing Henndorf am Wallersee Heuberg Hörndl Karellen Mattighofen Mattsee Munderfing Neumarkt am Wallersee Nußdorf am Haunsberg Oberwinkl Salzburg Schneegattern Straßwalchen Thalgau Zell am Moos

You can also find this in Obertrum am See:

Rice Pudding Spelt Bread Nut Nougat Cream Delicatessen Sausage Mashed Potatoes Snacks Horseradish Salad Dressings Hamburger Buns