In welke gebieden in Duitsland heb je een milieusticker nodig?

Germany currently has over 36 cities with an environmental zone (Umweltzone) where an environmental sticker is mandatory. Well-known cities include Berlin, Munich, Cologne, Stuttgart, and Hamburg, but smaller towns can also have an environmental zone. Therefore, always check before departure if your route passes through an environmental zone. View up-to-date information Umweltzones in German cities here