If you want to find the contacts of your campaign, please go to:
campaigns > open a campaign
click the contacts icon above
your contacts will appear
Here you can filter your contacts as you want with the help of options provided at the top:

Please find related articles about our contact page below: (work on it)
How to check for contacts which were not contacted yet?
How to filter out contacts for a particular 'department'?
How to check the 'status' of my contact?