"Chicago P.D." is filmed within the titular Illinois city, as are its sister shows "Chicago Fire" and "Chicago Med." The series' interiors are shot at the Cinespace Chicago Film Studios, and multiple exteriors are shot in and around the city, per The Sun. Choose Chicago additionally reports that the shows of the One Chicago franchise are "filmed entirely in the city," and that a number of the show's better-known locales are open to the public, including the White Palace Grill, Lottie's Pub, The Village Inn, Boni Vino Pizza, and more, where the squad sometimes hangs out for drinks or to break bread.
But don't try to visit the real precinct which serves as District 21's fictional stomping grounds unless you'd like to be locked up for real. The show films exteriors at a real life police station — UIC Headquarters in Chicago, which takes in perps and protects the city on a daily basis.
Are you a Chicagoan or just visiting The Windy City and want to know where the "Chicago P.D." might be filming today? Well, you're in luck, because the Twitter account Filming Chicago usually chronicles the entire franchise's movements on shooting days, as well as the activities of many other major films and TV shows which use the so-called Second City as filming headquarters.