Please answer a question about the following article about Hellenistic period:

Developments in painting included experiments in chiaroscuro by Zeuxis and the development of landscape painting and still life painting. Greek temples built during the Hellenistic period were generally larger than classical ones, such as the temple of Artemis at Ephesus, the temple of Artemis at Sardis, and the temple of Apollo at Didyma (rebuilt by Seleucus in 300 BCE). The royal palace (basileion) also came into its own during the Hellenistic period, the first extant example being the massive fourth-century villa of Cassander at Vergina.

What is the first example of Hellenistic period royal palace?
villa of Cassander at Vergina