We have updated our Community Code of Conduct. Please read through the new rules for the forum that are an integral part of Paradox Interactive’s User Agreement.
You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
You can even set Constantinople as your capital, but it still won't be a core when you take the Form Greater Greece decision. Is this intentional? I could see the reasoning but it seems odd that it can become your capital but not your core.