This is the 362nd most frequent Serbian word.
селу
The Serbian word "селу" means "village" in the dative or locative case.
'селу' is in the locative case, used here to denote a location or place (in the countryside).
На селу је живот миран и тих.
In the countryside, life is calm and quiet.
The word 'селу' is in the locative case, following the preposition 'о' (about) that requires this case.
Причаћу ти о животу на селу.
I will tell you about life in the countryside.
The word 'селу' here is declined in the accusative case, used to indicate direction towards the village.