Bother, I missed the LOTR quiz! I knew those.
A lot of countries have Elizabeth as their queen. To add to HIMS':
New Zealand
UK
Solomon Islands
PNG
Lots in the Caribbean. Off the top of my head:
Jamaica
Bahamas
Barbados
Antigua and Barbuda
St Lucia
St KItts and Nevis
St Vincent Grenadines
Belize
Denmark: Queen Margrethe
Sweden: King Carl Gustav
Norway: King Haakon
Thailand: King Bhumibol
Spain: King Felipe
Monaco: Prince Albert
Liechtenstein: Grand Duke Hans-Adam
Can't remember names of these ones:
Luxembourg
Belgium
Oman
Qatar
Malaysia
Japan