John
If it is not under the Transform Properties then it means you have a One-Node Camera.
Double click on the Camera in your Timeline to open Camera Settings and change the Type from One-Node to Two-Node.
Your Point Of Interest option will appear.
Vishesh Arora
3D and Motion Graphics Artist
Films Rajendra
Blog:
https://digieffects.wordpress.com
Demo Reel(3D):
https://www.youtube.com/watch?v=lHPgIJU_BR8