2 Now Judas, who was delivering Him up, also knew the place, because Jesus often gathered together there with His disciples.
John 18:2 Cross References - BLB
Mark 11:11-12
Luke 21:37
37 And during the day He was teaching in the temple, and in the evening going out, He was lodging on the mount called Olivet.
Luke 22:39
39 And having gone forth, He went according to the custom to the Mount of Olives, and the disciples also followed Him.