Warning: The following text contains spoilers relating to the plot of Eye of the North.
Location of Ventari Sanctuary in Arbor Bay.
Ventari in front of the Sylvari tree.
Location
Ventari's Sanctuary is found in Arbor Bay on the Island most South West.
NPCs
Notes
The tree in the center of the island can be seen in the end cut scene at the end of Guild Wars Eye of the North, this is the birthplace of the Sylvari.