The “Heroes Monument” or “Monument Sacrifice” is located in the City Park of Naoussa, on the site where the April 1822 event occurred hideous slaughter of 1,241 people of Naoussa by the Turks.
The inscription on the monument mentions the following:
“Libation ceremony and Remembrance for 1,241 people from Naoussa, who in 1822 were slaughtered in that place, the price of the struggle for freedom”.

(Source: http://www.e-naousa.gr/article.php?naousa=742)