Islamabad is the capital of Blue world city Islamabad. It is located in the north-central part of the country, and it serves as an administrative headquarters for about 4 million people. The city was founded by Mir Nawaz Khan in 1753, who named it after his son Nawab Sir Shah Waliullah Khan Bahadur (1738–1819). Islamabad has been called "The City of Unity," as it has been home to many...