This province has an extension of 1750 square kilometers which make up the the province closer to the department capital. This valley province limits to the north with the Andes range and to the south with the lower valleys which limit with the provinces of Capinota and Arque. It has several rivers and streams which come down from the Tunari range and which come down from the Tunari mountain, these unite with the Tamborada rivers which crosses this province through the Rocha rivers and the overflows of the Angosture dike which starts in the higher vallyes and around the valleys of Punata, cliza and Tarata.
This town is home of the Virgen of Urkupiña and once a year, in the month of August, it receives hundreds of thousands of visitors which come for the festivity from all over the world. The city is famous for this festivity and it is the most important national religiuos festivity in Bolivia. This single event has defined the urban map of the city, where all the city is oriented towards the festivity and infrastructure has been built around the places where the visitors flock.
The photograph below gives you an idea of the amount of people which gather in Quillacollo during the days of the festivity.