Acts 27, Paul’s Voyage to Rome, Paul’s warning ignored, the Storm, Shipwrecked on Malta.
Acts 26, Paul recounts his early life, his conversion, his life as a Christian, Agrippa is “Almost Persuaded”.
Acts 25, Paul on Trial before Festus, Paul Appeals to Caesar, Trial before Agrippa.
The original Greek manuscripts indeed mentioned Augustus. Augustus himself died long before this, but his name invoked the highest reverence, and became a synonym for the Emperor, as was Caesar.
Acts 24, Paul on trial before Felix, Felix procrastinates.
Acts 23, before the Sanhedrin, the Plot to kill Paul, Paul sent to Felix.
Acts 22, Paul speaks to the Crowd, Paul the Roman Citizen, before the Sanhedrin.
Chapter 22 ends before the speech.
Acts 21, on to Jerusalem, Paul urged to make Peace, Paul arrested in the Temple, Paul addresses the Jerusalem mob.
Thus ends chapter 21. (Yes, Paul spoke fluent Greek, Hebrew and Aramaic).