May be formed by: Any country which is part of the Iberian culture group (Spain/Carlist Spain, Portugal, Catalonia, Basque). (AHD only)
- At peace
- Prestige of 50+
- Is a greater power
- Nationalism & Imperialism
- All Spain core provinces are either owned or the owner is in your sphere or is your vassal and at peace.
- All Portugal core provinces are either owned or the owner is in your sphere or is your vassal and at peace.
- Gibraltar (province #517) is either owned or the owner is in your sphere or is your vassal and at peace.
Effects of Formation:
- +10 Prestige
- -4 militancy to all pops.
- Iberian cores are added to all Spanish and Portuguese core provinces, as well as Gibraltar.
- Spanish, Portuguese, Catalan and Basque are added as accepted cultures.
- Country tag is changed to Iberia (IBR)
- Spain, Portugal, Catalonia and Basqueland receive an annexation event, if they exist. They are likely to accept unless your governments are very incompatible. If they refuse, any alliances are canceled and relations/influence is greatly reduced.
- Any non-Iberian country which is in your sphere will secede any Iberian core provinces to you.
- If Spain exists (or Iberia loses all SPA core provinces), then Iberia will revert to Portugal. Similarly, if Portugal exists (or Iberia loses all POR core provinces) then Iberia will revert to Spain. Iberia cannot be formed a second time.