A capital is the principal city or town associated with its government. It is almost always the city which physically encompasses the offices and meeting places of the seat of government.
National capitals in Vexillium include:
- Aberban
- Anankachiri
- Ardenborg, Svarthaedir
- Aurelius
- Baben
- Cèdre
- Chemphi
- Colchisia
- Comar
- Covington
- Cruishaven
- Crystal City
- Ciudad Kelly
- Dianamalary
- Fenizabad
- Gough
- Haastadt
- Ixihuépetl
- Joannina
- Kikikira
- Kisqa
- Kurin
- Lat Shaele
- Liston
- Markhamn
- Marako'u'ii
- Medhinou
- Midlburgh
- Mɵg
- Móinéar
- Nasserhabib
- Outreaumer
- Port Angela
- Port Lanarch
- Porto Capital
- Rahbar
- Queta
- Saint Thomas
- Sansoheil
- Sanxaver
- Semprempe
- Subrata
- Surina (Realmscapital)
- Teocapec
- Uniontown
- Utan Krysaror
- Zubuligar
- Zvitniev