where is the apache folder in the bitnami worpress code example

Example: bitnami wordpress Default Directory

/opt/bitnami directory
/opt/bitnami
Understand The Default Directory Structure
The installation process will create several sub-directories under the /opt/bitnami directory:

Servers and related tools: apache2/, mysql/, postgresql/, apache-tomcat/, etc.
Languages: php/, python/, ruby/, tcl/, etc.
Application files: apps/phpMyAdmin/, apps/drupal/, apps/joomla/, apps/redmine/, etc.
Common libraries: common/
Licenses of the components included in the stack: licenses/