Philippines is country...no country owns them
No one country owns the sea
The Antilles are a series of islands in the Caribbean, no one country owns them. Each island is a country.
China owns itself!
Germany owns the Lamborghini company
Easter Island is a territory of Chile, located in the southeastern Pacific Ocean. Chile has sovereignty over the island and its inhabitants.
Nobody "owns" Switzerland, it is an independent country.
A group of European countries owns Airbus.
No country does.
It really depends on what country owns the nuclear weapons, if your country owns them, then the only thing you have to worry about is that it will go off by accident (Completely unlikely). But if it is an enemy country that owns them you have to watch out for nuclear attacks.
Russia owns Siberia.
Ecuador