After Julius Cesar died who was the next king in Greece?

Julius Caesar was dictator of Rome that ruled Greece and many other nations in its empire. When he was inated, there was a war for control of the Roman empire, so there was no definite ruler for a few years. Marc Antony and Caesar's nephew Octavius fought against Brutus and Cius leaders of the ins. After a long war, Marc Antony and Octavius won. Then, they warred with one another. Octavius won and became Emperor of Rome. He then called himself Augustus Caesar.