Leopard 2 E, Leopard 2HEL and STRV-122 B , and Leopard PSO. The spanish, greek and sweden. The Sweden really it's a improved version of the leopard 2A5. The spanish Leopard 2E and the HEL, are actually the best versions of this tank. It's a improved version of the leopard 2A6, but with the additional armour of the swedish version and hatches. The spanish has more personal scopes .
The Leopard PSO was a urban version .