Romansh language Grisons, the language borders largely stabilized in the 16th century and remained almost unchanged until the 19th century. This language area is often called the "Traditional Romansh-speaking territory", a term introduced by the statistician Jean-Jacques Furer based on the results of the Swiss censuses. Furer defines this language area as those municipalities in which a majority declared Romansh as their mother tongue in any of the first four Swiss censuses between 1860 and 1888. In addition, he includes Fürstenau. This represented 121 municipalities at the time, corresponding to 116 present-day municipalities. The villages of Samnaun, Sils im Domleschg, Masein, and
Romansh language is found only in Samedan, Pontresina, and Ilanz/Schnaus. In 15 municipalities, German is the sole medium of instruction as of 2001, with Romansh being taught as a subject. Outside of areas where Romansh is traditionally spoken, Romansh is not offered as a subject and as of 2001, 17 municipalities within the historical language area of Romansh do not teach Romansh as a subject. On the secondary level, the language of instruction is mainly German, with Romansh as a subject in Romansh-speaking regions. Outside of the traditional Romansh-speaking areas, the capital of Grisons, Chur, runs a bilingual Romansh-German elementary school. On