Where in France after 10 months 700000 men lost their lives over a few miles of land?

The location in France where 700,000 men lost their lives over a few miles of land after 10 months is the Somme, a significant battle during World War I. The Battle of the Somme, which took place from July to November 1916, aimed to relieve pressure on the French forces and break through German lines. It is one of the bloodiest battles in history, highlighting the horrific costs of trench warfare.