Names with and without 'the'

Which is correct?

• The Pacific Ocean

• Pacific Ocean

Which is correct?

• Republic of Ireland

• the Republic of Ireland

Which is correct?

• the Northern Estonia

• Northern Estonia

Which is correct?

• the Lake Superior

• Lake Superior

Which is correct?

• the Sahara Desert

• Sahara Desert

Which is correct?

• the Canary Islands

• Canary Islands

Which is correct?

• the Everest

• Everest

Which is correct?

• the Alps

• Alps

Which is correct?

• Johnsons

• the Johnsons

Which is correct?

• north of Brazil

• the north of Brazil