This is the 187th most frequent Serbian word.
одржан
"Одржан" means "held" or "maintained" in English.
In this sentence, 'одржан' indicates that the meeting is scheduled to take place.
Састанак ће бити одржан у петак.
The meeting will be held on Friday.
Here, 'одржан' refers to the manner in which the history lesson was executed.
Час историје је одржан у новом формату.
The history lesson was conducted in a new format.
In this context, 'одржан' describes the location where the concert took place.