Not one country owns all of the Carribean Islands. Many of them are independent. However, there are some that are parts of countries, such as Puerto Rico, which is U.S. territory. The only four countries that own some of the islands are the U.S., Great Britain, the Netherlands, and France. The rest are independent.
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
Nobody "owns" Switzerland, it is an independent country.
A group of European countries owns Airbus.
No country does.
The Philippines is an independent country and is not owned by any other nation. It is a sovereign state located in Southeast Asia.
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.
Egypt owns the Sinai Peninsula.
Ecuador
Belgium