Phonsavan (Phonsavanh) is the capital of Xieng Khouang province in Central Laos. It is known primarily as the gateway to the Plain of Jars.
ts most famous attraction is the nearby Plain of Jars, which is to be nominated for UNESCO World Heritage status. The main economic activity in Phonsavanh is based on government administration, mining companies from China and Australia, tourism and the work of NGOs related to UXO clearance.
(http://wikitravel.org/en/Phonsavan)