GDNN Papers include: Pontiac Oakland Press, Macomb Daily, Royal Oak Daily Tribune, Detroit Heritage Newspapers, Lapeer County Press, Advisor-Source Newspapers, Voice Newspapers, and Ann Arbor Newspapers.The Greater Detroit Newspaper Network is in the Detroit, MI DMA. The Greater Detroit Newspaper Network offers ROP and insert advertising opportunities in its daily and Sunday circulation. Echo Media has direct relationships with over 7,500 newspapers providing tremendous local coverage.