Eupolemus was one of the generals of Cassander

Cassander

Cassander , King of Macedonia , was a son of Antipater, and founder of the Antipatrid dynasty...

; he was sent by him in 314 BC to invade Caria

Caria

Caria was a region of western Anatolia extending along the coast from mid-Ionia south to Lycia and east to Phrygia. The Ionian and Dorian Greeks colonized the west of it and joined the Carian population in forming Greek-dominated states there...

, but was surprised and taken prisoner by Ptolemy

Ptolemy (general)

Ptolemy ; died 309 BC) was a nephew of Antigonus, and who served as a general to Alexander the Great who afterwards became king of Asia....

, a general who commanded that province for Antigonus

Antigonus I Monophthalmus

Antigonus I Monophthalmus , son of Philip from Elimeia, was a Macedonian nobleman, general, and satrap under Alexander the Great. During his early life he served under Philip II, and he was a major figure in the Wars of the Diadochi after Alexander's death, declaring himself king in 306 BC and...

. He must have been liberated again directly, as the next year (313 BC) we find him commanding the forces left by Cassander in Greece

Hellenistic Greece

In the context of Ancient Greek art, architecture, and culture, Hellenistic Greece corresponds to the period between the death of Alexander the Great in 323 BC and the annexation of the classical Greek heartlands by Rome in 146 BC...

, when he moved northward against Antigonus.