Where is the thermostat on 2000 VW beetle?

In a 2000 VW Beetle, the thermostat is located within the engine compartment, specifically in the cooling system. It is typically found at the engine end of the upper radiator hose, where the hose connects to the engine. To access it, you may need to remove the hose and possibly other components for better visibility. Always ensure the engine is cool before attempting to locate or service the thermostat.