[1][2][3] According to local sources, Tulaja Fort was founded five thousand years ago and was then named Til An Ja.

[4] Only through the tunnel could the fort be accessed, as it was surrounded by large stones.

[4] The area used to receive water from the neighbouring creek.

[4] In October 2021, a team of researchers found that the site is two thousand years old.

[4] This military base or fortification article is a stub.