Explore the hidden gems of Thessaloníki's urban landscape with our crowdsourced list of urbex spots. From abandoned industrial sites to secret street art alleys, our list is a treasure trove of unique and off-the-beaten-path locations, curated by the local community. Whether you're a seasoned urban explorer or just looking for a new adventure, our list has something for everyone, and is sure to inspire your next urban exploration in Greece's second-largest city.