Which sentence is correct?

English as a Second Language English Vocabulary, Grammar and Idioms
1
  1. It will surely be crowded.
  2. It will be surely crowded.

or both are correct?

2

Only the first is correct.

3

I am kind of confused. Can you explain it to me,Beeesneees?

4

Not really - that’s just the word order when using ‘surely’.

5

“Surely” as an adverb can not modify a noun.

Right?

Thanks