 5 200 men , mostly from the 5th New Zealand Brigade , were evacuated on the night of 24 April , from Porto Rafti of East Attica , while the 4th New Zealand Brigade remained to block the narrow road to Athens , dubbed the 24 Hour Pass by the New Zealanders . On 25 April ( Anzac Day ) , the few RAF squadrons left Greece ( D 'Albiac established his headquarters in Heraklion , Crete ) and some 10 @,@ 200 Australian troops evacuated from Nafplio and Megara . 2 @,@ 000 more men had to wait until 27 April , because Ulster Prince ran aground in shallow waters close to Nafplio . Because of this event , the Germans realised that the evacuation was also taking place from the ports of the eastern Peloponnese . 
