The canton of Zürich is a Swiss canton in the northeastern part of the country. With a population of 1,553,423, it is the most populous canton in the country. Zürich is the de facto capital of the canton, but is not specifically mentioned in the constitution. The official language is German. The local Swiss German dialect, called Züritüütsch, is commonly spoken.

The 26 cantons of Switzerland are the member states of the Swiss Confederation. The nucleus of the Swiss Confederacy in the form of the first three confederate allies used to be referred to as the Waldstätte. Two important periods in the development of the Old Swiss Confederacy are summarized by the terms Acht Orte and Dreizehn Orte.