Okay, the user wants me to translate "stratford-upon-avon" into Indonesian. Let me check if it's already in Indonesian. No, it's a proper noun, a place name. In Indonesian, place names usually remain the same, but sometimes they are adapted. However, Stratford-upon-Avon is a well-known town in England, so the Indonesian translation would likely keep the original name. I should confirm if there's an official Indonesian name for it. If not, just leave it as is. The user's rules say if it's already in Indonesian, output unchanged. Since it's a foreign place name, the translation would be the same. So the answer is "stratford-upon-avon".