The series was filmed almost entirely in the UK and Italy.
Locations
Castle park
Scene was shot Some of the palace scenes were filmed at Castle Howard
Real
In movie
Woman's room
Scene was shot Some rooms were filmed at Belvoir Castle in Leicestershire, England
Real
In movie
Petr's meeting room
Scene where -
Scene was shot The ballroom was filmed in the Marble Hall of Hatfield House in Hertfordshire, England.
Real
In movie
The Palace of St. Petersburg
Caserta Royal Palace in Caserta
Scene was shot In reality, the Palace of St. Petersburg played the Royal Palace in Caserta, which is located in southern Italy.
Real
In movie
The interior of the royal palace
Scene was shot The interior of the royal palace was filmed in several places at once, and one of them is Hatfield's house in Hertfordshire, England. Interestingly, Enola Holmes was filmed in the same house.