The Crown Tower
The Crown Tower in Bratislava Castle holds significant historical value. Built in the 13th century, it is considered the oldest remaining structure within the castle. In the 15th century, it was incorporated into the Castle Palace as the southwest corner. It was named after the Hungarian crown jewels, which were kept there, except for intermittent periods between 1552 and 1783. In the present day, the Crown Tower serves various purposes. It houses a small exhibition showcasing the crowns of Hungarian kings, coronation medals, and artwork depicting coronations that occurred in Bratislava.
Furthermore, following its reconstruction, the tower’s upper floor now functions as an observation deck for visitors. From there, one can enjoy panoramic views of Bratislava and even glimpse three countries: Slovakia, Austria, and Hungary.
More information can be found here