What is the official language of the place where Regensberg was a family of counts from?
Canton of Zürich The canton of Zürich (German: "Kanton"    ) has a population (as of 31 December 2016 ) of . The canton is located in the northeast of Switzerland and the city of Zürich is the capital of the canton. The official language is German. The local Swiss German dialect called "Züritüütsch" is commonly spoken. In English the name of the canton is often written without an umlaut.
Principality of Orange-Nassau Orange-Nassau, also known as Nassau-Orange (German: "Oranien-Nassau" or "Nassau-Oranien"), was a principality which was part of the Lower Rhenish-Westphalian Circle within the Holy Roman Empire. It existed under this name between 1702 and 1815. The territory of the former state of Orange-Nassau is now part of Germany. It was ruled by the House of Orange-Nassau.