Drupal 8 how to add a form to a page?

Question

Drupal

Drupal 8
How to display a custom form on a page (material)?
When you create a form in a module, it is displayed on the site.
But if you create a material (page) and set the same path for it, then the page will be displayed.
How to add this form to the desired page?

Answer 1

Create a block with a form , display the block, limit the visibility of the block to the desired page.