Costa d'Oro

Most Serene Republic of Costa d'Oro Republica Serenissima de Costa d'Oro
Motto: Semper liberum (Anglish: Forever free)
Capital and largest city	Prospera
Official languages	Vetullian
Ethnic groups	Vetullian
Religion (2023)	49.6% Remillian Catholicism 29.3% Agnosticism 17.1% Atheism 1.9% Vetullian Reformed Christianity 2.1% Other Religion
Demonym(s)	Costadoran
Government	Unitary parliamentary republic
• Upper house	Chamber of the Illustrious
• Lower house	Chamber of the People
Population
• 2023 census	16,349,172
HDI (2023)	0.962 very high
Currency	ducat
Date format	dd.mm.yyyy (Anno Domini)
Driving side	right

Costa d'Oro, officially the Most Serene Republic of Costa d'Oro is a country located in Eastern Parthenia.