While the language itself is not specific to one country, it is the official language of 26 countries in the Middle East and North Africa, including:
* Algeria
* Bahrain
* Chad
* Comoros
* Djibouti
* Egypt
* Eritrea
* Iraq
* Jordan
* Kuwait
* Lebanon
* Libya
* Mauritania
* Morocco
* Oman
* Palestine
* Qatar
* Saudi Arabia
* Somalia
* Sudan
* Syria
* Tunisia
* The United Arab Emirates
* Yemen
So, while Arabic originated in the Arabian Peninsula, it is spoken and used in a vast geographical region encompassing many countries.