The tiaras of the European Royal Families and Japan

 Reigning Houses:

• United Kingdom
• Denmark
• Norway
• Sweden
• Netherlands
• Belgium
• Spain
• Luxembourg
• Liechtenstein
• Monaco
• Japan

Non-Reigning Houses:

• France
• Austria-Hungary
• Prussia/Germany
• Portugal
• Italy
• Russia
• Greece
• Serbia/Yugoslavia
• Romania
• Bulgaria
• Others

Others:

• Crowns
• Orders