The Muhaqqiq Palace, which is also known as the “Sacred Palace” is located in Birgu, and is considered one of the most famous tourist and archaeological sites in Valletta because it was the seat of the Maltese Inquisition in the period between 1574 and 1798, although the main purpose of its construction in the early The sixteenth century was to become the seat of a court known as "Castellania", and with the passage of time many modifications were made to its shape and external structure until it became in its current form.