JOHNSTOWN, OHIO — Alterra Real Estate Advisors has purchased Johnstown Village Square for $3 million. The 82,946-square-foot shopping center is located at 633-759 W. Coshocton St. in Johnstown, about 25 miles northeast of Columbus. The property sits on 10.7 acres and is currently 67 percent occupied. Tenants include Tractor Supply, Goodwill, Dollar Tree and H&R Block. Alterra plans to make improvements to the property. The firm will lease and manage the property.