Britain invited heads of state or representatives at the ambassadorial level of any country with which it has full diplomatic relations, while it did not invite Syria and Venezuela; Because London does not currently have normal diplomatic relations with these countries, and Britain has not invited representatives from Russia, Belarus or Myanmar after imposing economic sanctions on those countries.
royal presence
Emperor Naruhito and Empress Masako of Japan.
King Willem-Alexander and Queen Maxima of the Netherlands.
King Felipe and Queen Letizia of Spain and Juan Carlos, former King of Spain.
King Philip and Queen Mathilde of Belgium.
Queen Margrethe II of Denmark, Crown Prince Frederick and Crown Princess Mary.
King Carl XVI Gustaf and Queen Silvia of Sweden.
King Harald V and Queen Sonja of Norway.
King Jigme Wangchuck of Bhutan.
Sultan of Brunei Hassan Bolkiah.
King of Lesotho Letsie III.
Prince Alois, Crown Prince of the Principality of Liechtenstein, Grand Duke Henri of Luxembourg.
Sultan Abdullah of Pahang, Malaysia.
Prince Albert II of Monaco.
The sixth king of Tonga Tubu.
Arab kings and leaders
The President of the United Arab Emirates, Sheikh Mohammed bin Zayed Al Nahyan.
Jordan's King Abdullah Al Thani.
Emir of Qatar Sheikh Tamim bin Hamad Al Thani.
The Crown Prince of Kuwait, Sheikh Mishaal Al-Ahmad Al-Sabah.
Sultan of Oman Haitham bin Tariq Al Said.
Prince Moulay Rachid, brother of King Mohammed VI of Morocco.
Saudi Prince Turki bin Mohammed Al Saud.