2 Now Judas, the one betraying Him, also knew the place, because Jesus often met there with His disciples.
John 18:2 Cross References - WPNT
Mark 11:11-12
Luke 21:37
37 In the daytime He was teaching in the temple, but at night He went out and stayed on the mountain called ‘of Olives’.
Luke 22:39
39 Then going out He went to the Mount of Olives, as His custom was, and His disciples followed Him.