The geographical centre of Switzerland has the coordinates 46°48′4″N 8°13′36″E. It is located at Älggi-Alp in the municipality of Sachseln, Obwalden. The point is the centre of mass determined in 1988 by Swisstopo.
As the point is difficult to access, a stone was set 500 m further south-east on Älggi Alp. This symbolizes the centre of Switzerland and is located at 46°47′54″N 8°13′55″E. A plaque on the stone commemorates the winner of the "Swiss of the Year" award.
Wikipedia https://en.wikipedia.org/wiki/Geographical_centre_of_Switzerland
Address 6072, Switzerland
Coordinates 46°47'54.594" N 8°13'54.423" E