The French translation for “next to the post office” is à côté de la poste. The French, à côté de la poste, can be broken down into 5 parts:"at" (à), "side" (côté), "from" (de), "the (feminine)" (la) and "post office" (poste).
Examples of "next to the post office" in use
There is 1 example of the French word for "next to the post office" being used: