Yes, most areas of Pakistan are accessible to travelers holding foreign passports, provided they have a valid visa.
Main destinations
Major cities such as Islamabad, Lahore, and Karachi are open to foreign visitors without special internal restrictions. Popular northern destinations like Hunza and Skardu are also commonly visited by international travelers.
Restricted areas
Certain border regions and sensitive areas may require additional permits or may be restricted. These limitations are location-specific rather than countrywide.
Documentation
Carrying your passport and visa copy while traveling is advisable, as identification may be requested at checkpoints.