Courts of Justice: Sanhedrim or Court of the Seventy: Sat in High Priest's Palace
Source: TTT
Matthew 26:57, 58
Those who had arrested Jesus led Him away to the house of Caiaphas the high priest, where the scribes and elders had gathered. / But Peter followed Him at a distance, right up to the courtyard of the high priest. And he went in and sat down with the guards to see the outcome.