In order to save money, the travel agency changed the location of the hotel without authorization. Is there any fraud in the travel agency?

Does not exist. In order to save money, the travel agency changed the hotel location without authorization, and the travel agency did not commit fraud, which was a serious breach of contract. You can ask the travel agency for compensation or complain to the quality inspection office of the local tourism bureau. According to the definition of the World Tourism Organization, a travel agency is "a retail organization that provides the public with information about possible travel, accommodation and related services, including service fees and conditions.