This is the 3570th most frequent Polish word.
bytomia
"Bytomia" is not a standard Polish word but might refer to "Bytom," a city in Poland, in a possessive or related form.
In this sentence, 'Bytomia' is the genitive case of 'Bytom', the name of a city, indicating possession or relation.
Bytomia często odwiedzałem w młodości.
I often visited Bytom in my youth.
Here, 'Bytomia' is used again in the genitive case to show association with 'historia' (history).
Nie znam historii Bytomia, ale wydaje się interesująca.
I don't know the history of Bytom, but it seems interesting.
In this example, 'Bytomia' indicates proximity or location in relation to 'Drogi' (roads).