Vao is a village in Väike-Maarja Parish, Lääne-Viru County, in northeastern Estonia.

Since the European migrant crisis has gained wide media attention in Estonia, Vao Centre has become the site of demonstrations against refugees.

[2] Vao (German: Wack) castle is a well-preserved medieval tower fortress.

During the renovation new painted glass windows made by Estonian artists Tuuli Puhvel and Anne Ehasalu were also added.

The living quarters were well equipped with a latrine, a chapel, a bed alcove and a fireplace.