A few facts about Nainggolan
- About 12,000 people live in Nainggolan.
- It's part of North Sumatra.
- Jakarta, the largest city in Indonesia, is about 1306 km away.
- For a bigger city, Pematangsiantar is about 62 km away.
- Towns nearby: Parmonangan (19 km), Tomok Bolon (24 km) and Parapat (26 km).