Question: Are both mountains, Piz Chavalatsch and Breithornzwillinge, located in the same country?
Sentence (from "Piz Chavalatsch"): Piz Chavalatsch( also known as" Monte Cavallaccio")( 2,763 m) is a mountain in the Ortler Range of the Alps of eastern Switzerland and northern Italy.
Relevant evidence: Yes