In the heart of ancient Side, near the modern town center in Antalya Province, Türkiye

Occasionally, cultural performances or events are held there, especially during festivals.

Yes, there is usually a small entrance fee as it's part of the Side archaeological site.

It's freestanding, not built into a hillside, and features a two-story stage building (scaenae frons).

Typically from morning until early evening; check local sites or the museum office for updated times.