The apartment is spacious, with a fully equipped kitchen. We were given 2 keys and 1 electronic card key. The 2 keys unlocks the outer door and the apartment door. But what we didn't know was we needed the electronic card key to lock our apartment door. Our electronic card key wasn't working. It took us awhile to realize we didn't actually lock the car. Once we realize the problem, we brought the keys to front desk and they addressed it quickly. The area is nosy. I'd advise wearing ear plugs at night.
The area is transitioning. While we felt safe walking around during day time, and nothing bad happened, we didn't feel comfortable exploring the area with 2 young children. We chose this hotel because it's close to a subway station, also very close to the Athens train station which we took to get to Kalambaka for a day trip.