Silvaplana is a municipality in the Maloja Region in the Swiss canton of Graubünden and the name of a lake in the municipality. The first sig…Silvaplana is a municipality in the Maloja Region in the Swiss canton of Graubünden and the name of a lake in the municipality. The first sign of a settlement in the borders of the municipality are some Roman-era broken pillars on the Julier Pass. The village church was first mentioned in 1356. A new, late gothic church was built in 1491. In 1556 the village converted to the Protestant Reformation.