Administrative divisions
Yŏnsan county is divided into 1 '' ŭp'' (town), 1 '' rodongjagu'' (workers' district) and 14 '' ri'' (villages):Infrastructure
Yonsan has a hydropower station with two generator units. The first unit commenced operation on 9 September 2008.Transportation
Yonsan County has a trolleybus line in Holdong-rodongjagu; it is observed to run west to a tunnel entrance from next to a building in Holdong-rodongjagu. The state of operation is unknown and no trolleybuses can be observed from satellite imagery.Historic sites
The tomb complex of Kongp'o-riReferences
Counties of North Hwanghae {{North Hwanghae