最尊貴的格蘭迪亞和奧格洛伊及其他領地聯邦（英文：The Most Noble Commonwealth of Grandia and Augenore and Other Realms and Territories），簡稱格蘭迪亞奧格洛伊聯邦、格奧聯邦（英文：Commonwealth of Grandia-Augenore）、聯邦（英文：The Commonwealth）或大聯邦（英文：The Great Commonwealth），是實行修正西敏制及聯邦制的二元制君主政合國，位處遠東福爾摩沙及香港，臣民與永久性居民人口約50人，官方語文為華語文、英語文，而臺灣話、廣東話、客家語、葡萄牙語及德語也是格奧聯邦的通用語言。

格奧聯邦由格蘭迪亞聯邦和奧格洛伊聯邦依照《龍安坡條約》所組成，施行君主立憲，乃實行議會制的民主政體。在任聯邦君主為執政夏洛特一世和女皇索菲亞，於聯邦成立起即位。兩聯邦的首都位在洛嘉玫珞皇冠領地，但兩聯邦君主的駐地分別在和協市與索菲亞城。

The Most Noble Commonwealth of Grandia and Augenore and Other Realms and Territories (Chinese: 最尊貴的格蘭迪亞和奧格洛伊及其他領地聯邦), commonly known as the Commonwealth of Grandia-Augenore, the Grandia-Augenore Commonwealth, the Commonwealth, or the Great Commonwealth, is a dual monarchy union that operates under a modified Westminster system and a federal system. It is located in the Far East, in Formosa and Hong Kong. The Commonwealth has approximately 50 subjects and permanent residents. Its official languages are Chinese and English, while Taiwanese, Cantonese, Hakka, Portuguese, and German are also commonly used throughout the Commonwealth.

The Commonwealth of Grandia-Augenore was established through the Treaty of Longanpo between the Federal Commonwealth of Grandia and the Federal Commonwealth of Augenore. It is a constitutional monarchy and a parliamentary democracy. The reigning federal monarchs are the Sovereign Charlotte I and Empress Sophia, who have held the throne since the establishment of the Commonwealth. The capitals of the two federations are located in the Crown Territory of Lojameilo, while the respective residences of the two federal monarchs are located in Harmony City and Sophia City.

國名：格蘭迪亞奧格洛伊聯邦

National Name：Commonwealth of Grandia-Augenore

人口：50

Population：50

元首：執政夏洛特一世及索菲亞女皇

Head of State：HM The Sovereign Charlotte I & HM The Queen Sofiya

幣制：格奧鎊（法定貨幣）、聯合鎊（鮮少流通）、新台幣（主要流通）

Currency System：GAP、Union Pound、TWD

成立日期：2026.04.10（統合日）

Date of Establishment：2026.04.10（Unification Day）

地理位置：臺灣、香港

Geographical Location：Taiwan,Hong Kong

首都：洛嘉玫珞皇冠領地

Capital：Nova Camælot

語言：華語、英語

Language：Mandarin, English

面積：不詳

Area：Unknown 

國會：大議會

Parliament：Grand Council The Parliament

政治制度：君主立憲制、西敏制、議會內閣制

Political System：Constitutional monarchy, Westminster system, parliamentary cabinet system

內閣：樞密院

Cabinet：Privy Council

司法機關：大法院

Judicial Authority：The Supreme Court

全銜：華陽聯邦民主共和國駐格蘭迪亞奧格洛伊聯邦大使館

Official Name：Embassy of the Federal Democratic Republic of Huayang to the Commonwealth of Grandia-Augenore

館址：格蘭迪亞奧格洛伊聯邦洛嘉玫珞皇冠領地奧士本沙展街第15號大使館

Mission Address：Embassy No. 15, Sergeant Street, Osborne, Nova Camælot, Commonwealth of Grandia-Augenore

代表：蔣華平

Representative：Chiang, Hua-Ping

領務轄區：格奧全境

Consular District：Throughout the Grandia-Augenore

服務時間：10:00-21:00 (GMT+8)

Service Time：10:00-21:00 (GMT+8)

時差：與我國無時差

Time Difference：No time difference with Huayang

其他館務：暫無

Other Mission Affairs：None at Present