Algiers, Algeria
whats the difference between Algiers, Algeria?
why their Arabic are the same?

Question

Answer

Algiers is the capital and largest city of Algeria. 
But in Arabic they both means (الجزائر) the same. 
Algeria .---> Country.
Algiers ----> City.

Answer

Algeria is a country like Iran, Arabi saudi, Italy, etc.
Algiers is the capital of Algeria like Tehran, Riyadh, Rome.

Answer

In algerian dialect we call it: Dzayer, it came from the world dziri (algerian), dziri also came from the berber world "Thiziri" it means "moonlight"

Answer

In algerian dialect we call it: Dzayer, it came from the world dziri (algerian), dziri also came from the berber worls "thiziri" it means "moonlight"