Capital

A flag and star mark Luanda as the capital of Angola

Every country has a capital. It is marked with a white outlined star.

You can spend power to relocate your capital to another place.

Capital cutoff mechanic

If at any point a country's place is no longer connected to its capital, the country loses control of that place. For this purpose any bodies of water in between count as a valid connection.

The region that has a country's capital is considered that country's main region, and generates additional power.