The three places where you can vote during Early Voting are listed on the Early Voting Information document near the top of this page. Cleveland County, NC residents (of at least 30 days) can vote at any of those three locations during early voting.
To find out where you vote on Election Day, go here: https://vt.ncsbe.gov/PPLkup/
Here’s a list of the precincts in Cleveland County: https://www.clevelandcounty.com/main/precinct_polling_addresses.pdf
And here is a map of Cleveland County showing where the precincts and Election Day voting sites are located: 