Yverdon-les-Bains (French pronunciation: [ivɛʁdɔ̃lebɛ̃]) (called Eburodunum and Ebredunum during the Roman era) is a municipality of the district of Jura-Nord vaudois of the canton of Vaud in Switzerland. It is the capital of the district. The population of Yverdon-les-Bains, as of December 2017 , was 30,143. It is the second most important town in the Canton of Vaud.
It was awarded the Wakker Prize in 2009 for the way the city handled and developed the public areas and connected the old city with Lake Neuchâtel.
The former municipality of Gressy merged on 1 July 2011 into the municipality of Yverdon-les-Bains.