Heilbronn is in the state of Baden-Württemberg in south west Germany.
Depends from the world region you came from to consider what is safe and unsafe.
Heilbronn, and Germany in general, could be consider a safe.
Although, locally Heilbronn is named Heilbronx, due to the neighborhoods and criminal rates Heilbronn used to have, but now a days they are low.
Heilbronn and the surroundings are known for being wine producers.
Heilbronn is also known for being the headquarters city of Schwarz Gruppe, holding company of Lidl and Kaufland, Germany’s biggest supermarket brands.