You have answered your own question. Britain only has one Royal Family and Balmoral Castle is their summer residence.
Balmoral Castle is the summer holiday home of the British Royal Family.
Balmoral, in Ayrshire. Still one of the Royal Family's favourite residences
The residence is named Palace of Holyrood House. You can read more about it, below.
Origin goes back to 1390. Bought by Royal Family in 1852
Balmoral Castle, Royal Deeside
Balmoral Castle is the summer holiday home of the British Royal Family. They go there every year during the month of August. It was first used by Queen Victoria and her Consort Prince Albert in the 1840's and has been used by every Monarch since then. When the Royal Family is not in residence, parts of the castle are open to the public.
Queen Elizabeth and most of her family traditionally spend the summer at Balmoral Castle in Scotland.
They spend weekends at Windsor Castle in Berkshire, Christmas and New Year at Sandringham in Norfolk and their summer holidays at Balmoral Castle in Aberdeenshire, Scotland.
Queen Victoria's Scottish retreat was called Balmoral Castle. Located in Aberdeenshire, it became a beloved holiday destination for her and her family after she purchased it in 1852. The castle and its grounds were often used for family gatherings and leisure activities, reflecting Victoria's affection for Scotland and its landscapes. Balmoral remains a royal residence today.
Balmoral Castle, which has been owned by Britain's royal family since the reign of Queen Victoria in 1852. It is a favorite residence of Queen Elizabeth II when she is away from Buckingham Palance in London.
Balmoral Castle is located in Aberdeenshire, Scotland. It serves as a private residence for the British royal family and is situated in the Cairngorms National Park. The estate covers approximately 50,000 acres and is known for its stunning landscapes and gardens. Balmoral has been a favorite retreat for the royal family since it was purchased by Prince Albert for Queen Victoria in 1852.