Article 'the" with geographical names

1. He was born in _________________ New York City.

2. _________________ Nile is a long African river.

3. We're going on vacation to _________________ Dominican Republic.

4. Have you been to _________________ Italy?

6. _________________ Rocky Mountains are very high

5. Los Angeles is in the state of _________________ California.

He lives in _________________ United States.

8. _________________ South Africa is one of the most beautiful countries in the world.

9. _________________ Republic of Ireland is in the European Union.

10. Have you ever been to _________________ Netherlands?