Angela Merkel has served as the head of which country?

Angela Merkel has served as the head of which country?

انجیلا مرکل کس ملک کی سربراہ رہ چکی ہیں؟
Explanation

Angela Merkel served as German Chancellor from November 2005 to December 2021.

Merkel served as head of Germany for 16 years. 

Merkel served is the first woman chancellor in the history of Germany.