Quests starting in Gadorgar

NameLevelZoneArea
Book 9, Chapter 9: Coursing Venom 62 Mirkwood Ost Galadh 
Instance: The Exchange 62 Mirkwood Ost Galadh 

Quests involving Gadorgar

NameLevelZoneArea
Book 9, Chapter 8: Mazog in the Web 62 Mirkwood The Haunted Inn