There are two ways to access your Calendar Settings:
Calendar > Calendar Settings (from the top menu)
Settings > Calendar
There are four main sections within your Calendar settings:
Calendars - Create, view, share or edit a calendar from within this tab
Preferences - Update your user or account preferences (e.g., add a personal meeting link to an appointment calendar)
Availability - Update your personal user availability or time zone settings
Connections - Integrate a third-party calendar, video conferencing app or Google Business Profile