Monastiraki Flea Market

This sprawling open-air market has operated continuously since Ottoman times, spreading across Ifestou Street and the surrounding narrow alleys near Monastiraki Square. You'll find everything from genuine Byzantine icons (starting around EUR 30) to Soviet-era military medals, vintage vinyl records, and old Greek postcards. The real draws are the antique dealers who've been here for decades, selling authentic pieces like traditional Greek worry beads, old copper coffee pots, and hand-painted ceramics alongside plenty of tourist trinkets.

Sunday mornings transform the area completely when dozens of additional vendors set up temporary stalls on every available corner. The atmosphere gets properly chaotic as locals and tourists squeeze through narrow passages between tables piled high with everything from old cameras to handmade jewelry. You'll hear rapid-fire Greek negotiations, the clink of coins, and vendors calling out prices. The permanent shops stay open most days, but Sunday brings the real energy and the widest selection.

Most guidebooks oversell this as some treasure trove, but honestly, 70% is junk aimed at tourists. The genuine antiques are there, but you need patience and a good eye. Skip the obviously mass-produced "ancient" coins and focus on the established dealers who can tell you real stories about their pieces. Bring cash for negotiating, expect to pay around EUR 50-150 for quality vintage items, and don't bother coming on weekdays when half the stalls are closed.