Of, pertaining to, or constituting a two-valued system.

Thailand (Prathet Thai, meaning "land of the free")

Bangkok (Krung Thep, meaning "city of angels")

Thailand is a constitutional monarchy with His Majesty King Bhumibol Adulyadej, or King Rama IX, the ninth king of the Chakri Dynasty, the present king. The King has reigned for more than half a century, making him the longest reigning Thai monarch. Thailand embraces a rich diversity of cultures and traditions. With its proud history, tropical climate and renowned hospitality, the Kingdom is a never-ending source of fascination and pleasure for international visitors.