What to See in the Ancient Agora Museum
The must-see exhibits in the Museum of the Ancient Agora, Athens — the ostraka of ostracism, the kleroterion jury machine, the klepsydra water clock, and the finds of daily life.

The Museum of the Ancient Agora is small enough to see in under an hour, which is exactly why it rewards knowing what to look for. This is not a vast collection of marble masterpieces; it’s a tight, deliberate display of the objects ordinary Athenians used to run a democracy. Here are the exhibits worth slowing down for, roughly in order of how much they’ll change the way you see the ruins outside.
1. The Ostraka — Ballots From the First Democracy
These broken pottery shards are the museum’s signature, and the reason most people who care about democracy make the trip. In the annual ritual of ostracism, citizens could vote to banish a too-powerful politician from Athens for ten years by scratching his name onto a shard (an ostrakon) and dropping it in. The man with the most votes was exiled — without losing his property or citizenship. More than 11,000 ostraka have been recovered from the Agora and the neighbouring Kerameikos, the largest body of physical evidence for ancient voting anywhere.
The shards on display carry the names of the famous: Themistocles, who built the navy that beat Persia at Salamis and was himself ostracised; Aristeides “the Just,” banished in 482 BC; and Pericles, the great statesman of Athens’ golden age. Lean in and you can still read the handwriting. No other object on the site collapses the distance between you and classical Athens so completely.
2. The Kleroterion — Government by Lottery
Beside the ostraka sits the device that best captures how radical Athenian democracy really was: the kleroterion, a stone allotment machine with a grid of slots. Citizens slotted in their bronze ID tokens (pinakia), and a column of black and white balls released at random decided who served on that day’s juries and public boards. Athens filled most offices and all its large juries by lot, not by election — deliberately, to make bribery and political dynasties almost impossible. Standing in front of it, you realise the Athenians trusted chance more than they trusted ambition.
3. The Klepsydra — Equal Time for Both Sides
The plain terracotta klepsydra, or water clock, timed speakers in the law courts. Water drained from one vessel to another, and when it ran out, your time was up — the surviving example held roughly enough for a six-minute speech. Both the prosecution and the defence got the same measured allowance, a small object that says something large about how seriously Athens took the idea of a fair hearing.
4. Bronze Jurors’ Ballots and Court Tokens
Look for the small bronze disks with a central hub — solid or hollow — used by jurors to cast secret verdicts (hollow for “guilty,” solid for “not guilty,” or the reverse depending on the case). Together with the pinakia identity tokens, they show a justice system run by hundreds of randomly chosen citizens, paid a day’s wage so that even the poor could serve.
5. The Finds of Daily Life
The rest of the collection grounds the politics in ordinary Athens: pottery from the geometric period onward, bronze and glass, coins, weights and measures, oil lamps, even children’s toys and figurines, plus sculpture and inscriptions pulled from decades of excavation. The objects span an enormous range — from the early historic period through Byzantine and Ottoman Athens — because the Agora was lived in, fought over and rebuilt for nearly three thousand years.
Don’t Miss the Building Itself
Finally, remember to look up and around. The gallery you’re standing in is an exhibit — the reconstructed Stoa of Attalos, one of the very few ancient buildings in Greece you can experience whole rather than as a footprint. The shaded upper colonnade is a cool break on a hot day and frames a superb view back over the ruins. For the building’s full story, read the history of the Stoa of Attalos; for the bigger picture of the museum, start with our guide to the Museum of the Ancient Agora.
See It With a Guide
A licensed guide turns these cases from quiet curiosities into a connected story — and links each object back to the exact spot in the ruins where it was used. A top-rated guided tour of the Ancient Agora and its museum covers the ostraka, the court machinery, the Temple of Hephaestus, and the Stoa itself, with free cancellation up to 24 hours before. Check availability, and before you go, it’s worth sorting out hours, tickets and how to visit.
See the Agora & Its Museum the Easy Way
Skip the guesswork on a field of ancient foundations — let a licensed local guide walk you through the Ancient Agora, the Temple of Hephaestus, and the museum in the Stoa of Attalos, ostraka and all. Free cancellation up to 24 hours before.
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