I'm pretty sure it's only Switzerland
Answer:
Where are the places that you went to? What is this assignment asking? You are writing 2 sentences about the places you visited & what you did. Hope this helps.
You use c’est with and adjective right before a noun or when there is an indefinite article. You use il est or elle est when it is only an adjective or there could be an adjective and a noun but no indefinite article