This is the 277th most frequent Czech word.
brně
"Brně" is the locative case of "Brno," meaning "in Brno," referring to the city in the Czech Republic.
'Brně' again uses the locative case form, indicating that the actions occurred within the city.
Viděl jsem mnoho zajímavých památek v Brně.
I saw many interesting sights in Brno.
Here, 'Brně' continues to be in the locative case, establishing the spatial context as 'in Brno' where the conference occurred.
Konference se konala právě v Brně.
The conference took place exactly in Brno.
The word 'Brně' is used in its locative case form, referring to the city of Brno and denoting its location.