Visiting Address:

The Royal Thai Embassy
Floragatan 3
114 31  Stockholm

Postal Address:

The Royal Thai Embassy
Box 26220
100 40, Stockholm

Closest subway station is STADION. 
Bus number 1 stops at the intersection Humlegården, about 100m away. 
Bus number 4 stops at Stadion on Valhallavägen, about 100m away.