In what kingdom that is bordered by Epirus to the west, Paeonia to the north, Thrace to the east and Thessaly to the south did the Trocmi tribe reside?
Trocmi: The Trocmii or Trocmi were one of the three ancient tribes of Galatia in central Asia Minor, together with the Tolistobogii and Tectosages, part of the possible Celtic group who moved from Macedonia into Asia Minor in the early third century BCE. Macedonia (ancient kingdom):  Home to the ancient Macedonians, the earliest kingdom was centered on the northeastern part of the Greek peninsula, and bordered by Epirus to the west, Paeonia to the north, Thrace to the east and Thessaly to the south.
Macedonia