Question: Where is the Head Office of the starter of the No issue, lelo tissue ad campaign?

Related documents: [0]  [DOC] No issue, lelo tissue (Urdu: ‎ ) was a Pakistani television advertisement campaign started by Jazz Pakistan, following the victory of Pakistan's cricket team in the 2017 ICC Champions Trophy Final. It was directed by Hassan Dawar. The advertisement has been dubbed as Pakistan's response to India's famous "Mauka Mauka" commercials. [END] 
[1]  [DOC] Jazz (Urdu: ‎ ) is the largest mobile network in Pakistan formed by the merger of Mobilink and Warid. It provides a range of services for prepaid and postpaid customers to individual and corporate clients. Its Head Office is located in Islamabad, and the current CEO is Aamir Ibrahim. [END]  
Answer: Islamabad
Islamabad