Zhob and Kolachi rivers are located in:

The Zhob and Kolachi rivers are significant waterways located in the province of Baluchistan, Pakistan. The Zhob River, in particular, flows through the northern part of Baluchistan, giving its name to the Zhob District. The Kolachi River is also found within this same province. Therefore, Baluchistan is the correct geographical location for both these rivers.

• Punjab is incorrect as these rivers are not situated in that province.
• Sindh is also incorrect; while a major province, it does not host these specific rivers.
• KPK (Khyber Pakhtunkhwa) is a northern province, but the Zhob and Kolachi rivers are not found within its boundaries.