Which country has been nicknamed as 'the Cockpit of Europe' because it was the battlefield for many of the conflicts involving France, Germany, Spain, England, etc.?

Belgium earned the nickname the Cockpit of Europe because its territory served as the primary battleground for conflicts between major European powers including France, Germany, Spain, and England. Its strategic location between powers made it a frequent invasion route and battlefield, particularly during the Revolutionary and Napoleonic Wars, and both World Wars.