The Seleucid Empire (323–64 B.C.) – The Metropolitan Museum of Art https://www.metmuseum.org/essays/the-seleucid-empire-323-64-b-c
Seleucus established a dynasty that lasted for two centuries, during which time Hellenistic art, a fusion of Greek and Near Eastern artistic traditions, developed and flourished.
Nicator (r. 312–281 B.C.) became king of the eastern provinces—approximately modern Afghanistan