The NYPD’s police hub looked more like PornHub when a German adult film star got a private tour of department headquarters, hamming it up for photos and videos in the press briefing room, the highly sensitive Real Time Crime Center — and even outside the commissioner’s office, The Post has learned.

Annina Ucatis’ sneak peek at One Police Plaza — and the nearby Security Coordination Center at 55 Broadway — on Columbus Day was documented for all of her nearly 3,500 Instagram followers to see, and confirmed by the skin-flick starlet herself when reached through the social media site.

“It was just a quick stopping there. I love NYC very much and am interested in getting to know the city better,” wrote the blond bombshell, 40, whose credits include “Big Tit A-List” (2009) and “Fast & Sexy” (2008), but who has mostly appeared on reality television since 2011.

“A friend of mine arranged the tour for me.”

Ucatis refused to identify her hookup and insisted he doesn’t work for the NYPD, but one of the photos features her posing in the lobby of the Lower Manhattan cop shop alongside a suited mystery man wearing a grin and what appears to be an official identification badge on his left lapel.

That shot — along with one of a smiling Ucatis leaning against a memorial to fallen Finest — was taken in the building’s lobby, which non-cops can typically only access after passing through a screening room in which they present ID, state the reason for their visit and pass through a metal detector.

At one point in a 3-minute video posted to Ucatis’ Instagram, the camera repeatedly zooms in and out on a sign outside 1PP reading “NYPD Personnel Only.”

But other snaps and the video feature sensitive locations far deeper in the cop hub — past a second security checkpoint — including the inside of the second-floor Real Time Crime Center, from which cops can monitor incidents across the city as they happen.

Ucatis didn’t just get access — she was able to film inside the NYPD nerve center, which struck one high-ranking police source as a troubling breach.

“What’s on those screens appear to be stuff that generally should not be in view by the public,” said the insider. “911 calls and information given by the victim is typed into the system. That information is helpful to the responding officers.

“What victim wants their personal information read by everyone?” asked the source. “It’s the equivalent of having an unauthorized person behind the precinct desk.”

The NYPD discourages shooting film and images in its facilities and issued guidance to cops last year that civilians could be arrested for doing so inside police precincts.

But the tour didn’t stop there.

Ucatis also included shots outside top cop James O’Neill’s 14th-floor office, wearing a sly smile as she poses in front of a glass window frosted with a police shield reading “Commissioner.”

Ucatis said she never got a chance to meet O’Neill because he wasn’t in at the time.

But the source questioned why she was even in a position to have a chance.

“What’s even more bizarre is how did she get on the 14th floor?” they asked. “I can’t go up there without being invited up. There are other offices there but it’s high-level positions. It would be very awkward for me to show up on the 14th floor without an invite.”

Ucatis, who was vacationing in New York at the time, told The Post she didn’t see what the big deal was, describing her visit to a part of the city most New Yorkers never see as “really interesting.”

She insisted that she was only recording video for her own entertainment and not a project, saying, “I do all the film stuff only for fun.”

The NYPD did not respond to a request for comment.