Yes, Germany is a vernacular region.
The vernacular region refers to an area where the people are interconnected with their language and culture. This region is formed based on the attitude and feeling of the people in that particular region. The trait of the each vernacular region differ based on the position of the region. The boundaries in the vernacular region is based on the people and the people in this region are more attached with the people within that region than the outsiders.
For example, in Germany, Germans speak well in German language than any other language and they talk very well with German people than outsiders.
