Pakistan`s largest seaport is in which city?

Pakistan`s largest seaport is in which city?

پاکستان کی سب سے بڑی بندرگاہ کس شہر میں ہے؟
Explanation

Pakistan has three big sea ports named as Karachi Port, Muhammad Bin Qasim port, and Gwadar port.

Port of Muhammad Bin Qasim is the oldest port while the Karachi port is the busiest one.

Gwadar (Balochistan) is the biggest sea port of Pakistan.

AGM  5.2.23