This is the 7653rd most frequent Russian word.
житковичи
"Житковичи" is the name of a town in Belarus.
Here 'Житковичи' is a proper noun, used as the name of a specific town.
Житковичи - маленький городок в Белоруссии.
Zhitkovichi is a small town in Belarus.
In this sentence, 'Житковичей' is the genitive plural form, indicating being near the town of Zhitkovichi.
Я живу недалеко от Житковичей.
I live near Zhitkovichi.
'Житковичах' is used in the prepositional case, which is required when indicating location.