(A) Hafizabad
(B) Wazirabad
(C) Muzaffarabad
(D) Swabi
🧠 Explanation:
- Tarbela Dam is located in the **Swabi District** of Khyber Pakhtunkhwa, Pakistan.
- It is built on the Indus River and is the world’s largest earth-filled dam.
- The dam was constructed to store water for irrigation and generate hydroelectric power.
- Its strategic location plays a vital role in Pakistan's water and power supply system.