The Other Kingdoms Ruled by Monarchs
Scotland and the Isles (also here and here)
The Royal Court of Scarborough Faire
The Imperial Court of New York
Cheltia
Onondaga
Connachta
Hightower (And pay particular attention to Queen Anastasia's Guide to Byzantine Punishments!)
Shiabruck (also here and here)
Doon Douglas
Dragonwynde
The Eternians
Denmark
Bermania
Camarand
Westeros
Quivira
Gilboa
Miss Illinois County Fair
The Companions of the Cross
The Blue Kingdom (also here and here)
The Realm of Forever
King Neptune's Realm
King Edmund's Realm
King Roland's Realm
Acre
Morcia
Evendarr
Blingenstein (also here and here)
Ojai (also here)
Vulgaria
Candy Land
The Realm of the Hoofengoofers
The Druid Princess' Realm
Princess Aisling and her Irish Language & Drama Troupe
King Edward and Queen Catherine
Queen Victoria
Kingdomality.com
Berenicia
YouTube's The Royal Channel
Still more to go, and on toward heaven! Proceed, young Squire, to Kingdom Seven!