This is the 9807th most frequent German word.
niederbachem
"Niederbachem" is a place name referring to a district in the town of Wachtberg, Germany.
The sentence uses 'Niederbachem' as a proper noun referring to a specific place.
Ich wohne in Niederbachem.
I live in Niederbachem.
In this context, 'Niederbachem' is used as the name of a location, which is the object of the verb 'to visit'.
Er besucht Niederbachem jeden Sommer.
He visits Niederbachem every summer.
Here, 'Niederbachem' is the subject of a prepositional phrase, relating to the context of the location being described.