This is the kingdom of Syrakousai in 186 BC. Rome, although very powerful has not been able to expand, and have lost their supremacy in Italy. Carthage has been kicked out of Sicily. The Etruscans are almost completely defeated. In the north, the Saluvii have brought all the Celtic tribes under their rule. The once mighty Insubres have retreated to the Alps.
In Makedonia, the Antipatrids are still in power, and most of the Peloponnese is under their control. Expansion eastwards has been impossible due to the great power of the Lysimachids who exercise control over Thrace and Asia Minor. The heirs of Demetrius Poliorcetes still rule over parts of Greece, but they are no match for the armies of the Lysimachids. Sparta had a brief resurgence, managed to capture Arcadia for a brief period of time and even ousted the Aeacids from Epirus, and installed a Cretan noble on the throne. They eventually got annexed by Makedonia, unfortunately.
This is three years later: The Seleucids proved to be a paper tiger and lost a large portion of their kingdom to the rulers of Atropatene, whose realm now extends from Armenia to Gedrosia. A few Greek exclaves are still loyal to the heirs of Seleucus, though.