I would like to ask a question about the following sentence, please: My favorite place is Disneyland. What is the subject of this sentence. Thank you
In your sentence, the subject is place.
This question is answered by the details that were provided. The subject and predicate differ in the below two sentences because a different noun is the subject in each instance.
My favorite place is Disneyland - passive voice: place is the subject
Disneyland is my favorite place - active voice: Disneyland is the subject
The sentences say the same thing. The only difference is the first sentence conveys the message directly while the second version conveys it more indirectly.