This is the 4807th most frequent Polish word.
odwiedzanym
"Visited" (used as an adjective, e.g., "being visited").
Here, 'odwiedzanym' is used adjectivally, showing a characteristic of the noun 'miastem' to describe it as being frequently visited.
Kraków jest często odwiedzanym miastem w Polsce.
Krakow is a frequently visited city in Poland.
In this sentence, 'odwiedzanym' functions as a past participle describing Tomasz's state of being visited.
Tomasz cieszył się z bycia odwiedzanym przez przyjaciół.
Tomasz was pleased about being visited by friends.
Here, 'odwiedzanym' is used to describe the site (obiektem) as a quality attributed to it based on frequency of visits.