What is the name of the temple Jesus got lost in?

The temple was called Herod's Temple or the Herodian temple. It was built by Herod about 20 - 19 BC.

I think Jesus wasn't lost in the temple his parents left Jerusalem and Jesus was left behind he was found teaching in the temple. Read the verses below:

Luk 2:42 When Jesus was twelve years old, they went to the festival as usual.

Luk 2:43 When the festival was over, they started back home, but the boy Jesus stayed in Jerusalem. His parents did not know this;

Luk 2:44 they thought that he was with the group, so they traveled a whole day and then started looking for him among their relatives and friends.

Luk 2:45 They did not find him, so they went back to Jerusalem looking for him.

Luk 2:46 On the third day they found him in the Temple, sitting with the Jewish teachers, listening to them and asking questions.

Luk 2:47 All who heard him were amazed at his intelligent answers.