 The Dominican healthcare system is administratively divided in 9 regions, which include the countrys 31 provinces. Region 0 of health includes the National District and the provinces of Santo Domingo and Monte Plata. The city of Santo Domingo is the capital and financial center of the DR. It has an estimated population of 2.7 million people spread in an area of about 1,400 KM2. 90 of the population lives in an urban setting in this province17. The overall prevalence of HIV is around 0.7 in the entire region but is higher in vulnerable groups such as commercial sex workers CSW 3.3, Men who Have Sex with Men MSM 5.9 and drug users 7.118. 