Embassy of Monaco, London

Upper Grosvenor Street is a one-way Georgian street in Mayfair, London, United Kingdom. It runs from the north side of the Grosvenor House Hotel (fronting Park Lane) to the south side of the London Chancery Building (fronting Grosvenor Square); both have the longest frontage of their respective streets.

Reeves Mews is a street in central London's Mayfair district, running roughly west to east from Park Street to South Audley Street. Christina Onassis had a three-bedroom flat in the street in the 1970s, and Aristotle Onassis and Jackie Kennedy were regular visitors. In 2015, it was listed for sale at £6 million. In September 2015, a former 1920s Bentley garage become the world's most expensive mews home, when it sold for £24 million to a Qatari buyer.

54 Mount Street is a grade II* listed building in Mount Street in the City of Westminster. It is the residence of the Brazilian ambassador in London. The main embassy building is located at Cockspur Street. It was built in 1896–97 to a design by Fairfax Blomfield Wade-Palmer for Lord Windsor, later the Earl of Plymouth. Historic England describe it as using "Arts and Crafts quality of materials and detailing combined with innovatory Free "renaissance" and hints of Grand Siècle classicism, with sumptuous formal interiors."

Park Street is a street in Mayfair, London, England. It is the longest street on the Grosvenor Estate.It is a one-way street running south to north from a t-junction with South Street to a crossroads with Oxford Street, where it continues north as Portman Street. It was formerly known as Hyde Park Street. House building on the street began in the late 1720s, and was completed in the late 1770s, and the only surviving original properties are nos 70 to 78.

Le Gavroche (The Urchin) is a restaurant at 43 Upper Brook Street in Mayfair, London. It was opened in 1967 by Michel and Albert Roux at 61 Lower Sloane Street, its premises until 1981. Albert's son Michel Roux Jr is the current chef patron. It was the first restaurant in the UK to be awarded three Michelin stars, which it held from 1982 to 1993. The restaurant offers classical French food, although some dishes are more modern. Notable dishes are Soufflé Suissesse (cheese soufflé baked on double cream); Le Caneton Gavroche (whole poached duck in a light consommé served with three sauces for two); and Omelette Rothschild. Its name comes from the character Gavroche in Victor Hugo's Les Misérables.

The Royal Caledonian Ball is a ball held annually in London for the benefit of Scottish charities. With few exceptions, the Royal Caledonian Ball has been held annually since 1849, and is the oldest charity ball in the world.

79 Mount Street is a Grade II listed house in Mount Street, Mayfair, London W1. The house was built in 1892–1894 by Eustace Balfour and Hugh Thackeray Turner of Balfour and Turner, in "Free Style Queen Anne", or in an Arts and Crafts style. It was Grade II listed in 1987.In the 1930s, it was home to John Powys, 5th Baron Lilford.In 2008, it was refurbished by the Meller family, who used the upper floors as a home and the basement to second floors as offices, with a swimming pool built in the basement. In May 2015, British businessman David Meller sold the 10,000 sq ft six-storey house to the Qatari royal family for £40 million, as part of a growing "Qatari quarter" centred on Dudley House in nearby Park Lane.

Audley Mansions is a mansion block in Mayfair, London located on the corner of South Audley Street and Mount Street.

7 and 8 Balfour Place are a pair of Grade II listed houses in Balfour Place, Mayfair, London W1, on the corner with Mount Street. No 7 is also known as Balfour House. 7 and 8 Balfour Place were Grade II listed in 1984. They were built in 1892–1894 by Eustace Balfour and Hugh Thackeray Turner of Balfour and Turner, in a "Free Style with Flemish and early Renaissance details" , or in an Arts and Crafts style. The house's first owner was George Coventry, 9th Earl of Coventry. Balfour Place was originally known as Portugal Street (honouring the Portuguese wife of King Charles II), until the Grosvenor family renamed it after their chief surveyor.

Upper Feilde is a mansion block in Mayfair, London located on Park Street, and Upper Brook Street.

James Purdey & Sons, or simply Purdey, is a British gunmaker based in London, specialising in high-end bespoke sporting shotguns and rifles. Purdey holds three Royal Warrants of appointment as gun and rifle makers to the British and other European royal families.

Grosvenor House was one of the largest townhouses in London, home of the Grosvenor family (the family of the Dukes of Westminster) for more than a century. Their original London residence was on Millbank, but after the family had developed their Mayfair estates, they moved to Park Lane to build a house worthy of their wealth, status and influence in the 19th century. The house gave its name to Upper Grosvenor Street and Grosvenor Square. The house was requisitioned during the First World War, and was sold and demolished in the 1920s. The Grosvenor House Hotel was built on its site.