Hi. What does it mean?
The bank is off the main street.
The bank is found off the main street.
In the above sentences, “off” is a preposition. “Found off” is not a set phrase. You might be able to find another bank on the main street.
The intricacies of London are often found off the beaten path.
“Of the beaten path” seems to be a set phrase. According to a dictionary, it means “not known or popular with many people”.
Off the beaten path:
not known or popular with many people