A historical market for fresh produce, dating back to 13th century. It still functions to this day, and during warmer months, you can buy vegetables, fruits and flowers here. The 17th-century fountain in the centre of the square (named "Parnas") is also noteworthy.
Wikipedia https://en.wikipedia.org/wiki/Zelný_trh
Address Zelný trh, Zelný trh, Brno 602 00, Czech Republic
Coordinates 49°11'32.486" N 16°36'31.842" E