Peshawar is the capital of Pakistan's North West Frontier Province.

NPR: Trip to Religious School Offers Window on Pakistan

What if the million or so Muslims (estimates vary) who had gathered in rice fields at Raiwind, near Lahore, were roused from devotion to march on the capital of Pakistan's biggest province?

ECONOMIST: A little-noticed Muslim gathering

Shiite Muslims, including Hazaras, have often been targeted by Sunni extremists in the province of Baluchistan where Quetta is the capital, the southern city of Karachi and northwestern Pakistan.

NPR: Shiites Lash Out After Pakistan Bombing Kills 81

After fleeing the Islamabad courtroom, Mr. Musharraf was reported to have reached his heavily protected mansion on the outskirts of Pakistan's capital.

WSJ: Musharraf Flees as Court Orders Arrest

The fourth and remaining side includes a major highway leading to Pakistan's capital city of Islamabad, just a 90 minute drive away.

NPR: Taliban Tightens Grip Near Northern Pakistan Border

Development bankers like to talk about a project in the slums of Orangi in Pakistan's capital, Karachi.

ECONOMIST: Clean up��or risk many deaths

The crash is reminiscent of one in 2010, when 152 people were killed as a Pakistani passenger plane crashed on the outskirts of Islamabad, Pakistan's capital.

CNN: No survivors from Pakistan plane crash, official says

Euphoria usually witnessed during celebrations of Pakistan's independence day was once again gripping the streets of the Punjabi capital.

BBC: 1998: A new arms race

Relations between the governments in Islamabad, Pakistan's capital, and Washington, DC, are deeply troubled by the issue of drones.

ECONOMIST: Drones in Pakistan

Brazilian police last year raided a number of sweatshops in the capital, Brasilia, and in Sao Paulo, where undocumented immigrants from Bolivia and Pakistan were found working in unsafe conditions for very little or no pay.

BBC: Brazilian state of Acre in illegal immigration alert